释义 |
tree
tree T0335200 (trē)n.1. a. A perennial woody plant having a main trunk and usually a distinct crown.b. A plant or shrub resembling a tree in form or size.2. a. Something that resembles a tree in form, especially a diagram or arrangement that has branches showing relationships of hierarchy or lineage.b. Computers A structure for organizing or classifying data in which every item can be traced to a single origin through a unique path.3. a. A wooden beam, post, stake, or bar used as part of a framework or structure.b. A saddletree.4. Archaic a. A gallows.b. The cross on which Jesus was crucified.tr.v. treed, tree·ing, trees 1. To force up a tree: Dogs treed the raccoon.2. Informal To force into a difficult position; corner: the reporters finally treed the mayor.3. To supply or cover with trees: a hillside that is treed with oaks.Idiom: up a tree Informal In a situation of great difficulty or perplexity; helpless. [Middle English, from Old English trēow; see deru- in Indo-European roots.] tree′less adj.tree (triː) n1. (Plants) any large woody perennial plant with a distinct trunk giving rise to branches or leaves at some distance from the ground. 2. (Plants) any plant that resembles this but has a trunk not made of wood, such as a palm tree3. a wooden post, bar, etc4. (Genetics) See family tree, shoetree, saddletree5. (Chemistry) chem a treelike crystal growth; dendrite6. a. a branching diagrammatic representation of something, such as the grammatical structure of a sentenceb. (as modifier): a tree diagram. 7. an archaic word for gallows8. (Theology) archaic the cross on which Christ was crucified9. at the top of the tree in the highest position of a profession, etc10. up a tree informal US and Canadian in a difficult situation; trapped or stumpedvb (tr) , trees, treeing or treed11. (Hunting) to drive or force up a tree12. (Clothing & Fashion) to shape or stretch (a shoe) on a shoetree[Old English trēo; related to Old Frisian, Old Norse trē, Old Saxon trio, Gothic triu, Greek doru wood, drus tree] ˈtreeless adj ˈtreelessness n ˈtreeˌlike adj
Tree (triː) n (Biography) Sir Herbert Beerbohm. 1853–1917, English actor and theatre manager; half-brother of Sir Max Beerbohm. He was noted for his lavish productions of Shakespearetree (tri) n., v. treed, tree•ing. n. 1. a plant having a permanently woody main stem or trunk, ordinarily growing to a considerable height, and usu. developing branches at some distance from the ground. 2. any of various shrubs, bushes, and plants, as the banana, resembling a tree in form and size. 3. something resembling a tree in shape, as a clothes tree. 4. Also called tree′ di`agram. a diagram, as in linguistics or mathematics, in which lines branch out from a central point or stem without forming any closed loops. 5. family tree. 6. a pole, post, beam, bar, handle, or the like, as one forming part of some structure. 7. shoetree. 8. saddletree. 9. a treelike group of crystals, as one forming in an electrolytic cell. 10. a computer data structure organized like a tree whose nodes store data elements and whose branches represent pointers to other nodes in the tree. 11. Christmas tree. 12. a gallows or gibbet. 13. the cross on which Christ was crucified. v.t. 14. to drive into or up a tree, as one pursued. 15. to put into a difficult position; corner. 16. to stretch or shape on a tree, as a boot. Idioms: up a tree, in a difficult or embarrassing situation. [before 900; Middle English; Old English trēo(w), c. Old Frisian, Old Norse trē, Old Saxon treo tree, Gothic triu stick; akin to Greek drŷs oak, Skt, Avestan dru wood] tree′less, adj. Tree (tri) n. Sir Herbert Beerbohm, (Herbert Beerbohm), 1853–1917, English actor and theater manager. tree (trē) A perennial plant typically having a single woody stem, and usually branches and leaves.tree - Part of a large Indo-European group based on deru/doru-, "oak."See also related terms for oak.tree Past participle: treed Gerund: treeing
Present |
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I tree | you tree | he/she/it trees | we tree | you tree | they tree |
Preterite |
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I treed | you treed | he/she/it treed | we treed | you treed | they treed |
Present Continuous |
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I am treeing | you are treeing | he/she/it is treeing | we are treeing | you are treeing | they are treeing |
Present Perfect |
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I have treed | you have treed | he/she/it has treed | we have treed | you have treed | they have treed |
Past Continuous |
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I was treeing | you were treeing | he/she/it was treeing | we were treeing | you were treeing | they were treeing |
Past Perfect |
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I had treed | you had treed | he/she/it had treed | we had treed | you had treed | they had treed |
Future |
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I will tree | you will tree | he/she/it will tree | we will tree | you will tree | they will tree |
Future Perfect |
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I will have treed | you will have treed | he/she/it will have treed | we will have treed | you will have treed | they will have treed |
Future Continuous |
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I will be treeing | you will be treeing | he/she/it will be treeing | we will be treeing | you will be treeing | they will be treeing |
Present Perfect Continuous |
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I have been treeing | you have been treeing | he/she/it has been treeing | we have been treeing | you have been treeing | they have been treeing |
Future Perfect Continuous |
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I will have been treeing | you will have been treeing | he/she/it will have been treeing | we will have been treeing | you will have been treeing | they will have been treeing |
Past Perfect Continuous |
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I had been treeing | you had been treeing | he/she/it had been treeing | we had been treeing | you had been treeing | they had been treeing |
Conditional |
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I would tree | you would tree | he/she/it would tree | we would tree | you would tree | they would tree |
Past Conditional |
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I would have treed | you would have treed | he/she/it would have treed | we would have treed | you would have treed | they would have treed | ThesaurusNoun | 1. | tree - a tall perennial woody plant having a main trunk and branches forming a distinct elevated crown; includes both gymnosperms and angiospermsforest, woods, wood - the trees and other plants in a large densely wooded areayellowwood tree, yellowwood - any of various trees having yellowish wood or yielding a yellow extractOxandra lanceolata, lancewood, lancewood tree - source of most of the lancewood of commercenegro pepper, Xylopia aethiopica, Guinea pepper - tropical west African evergreen tree bearing pungent aromatic seeds used as a condiment and in folk medicineanise tree - any of several evergreen shrubs and small trees of the genus IlliciumDrimys winteri, winter's bark tree, winter's bark - South American evergreen tree yielding winter's bark and a light soft wood similar to basswoodzebrawood tree, zebrawood - any of various trees or shrubs having mottled or striped woodBrya ebenus, granadilla tree, granadillo - West Indian tree yielding a fine grade of green ebonyacacia - any of various spiny trees or shrubs of the genus AcaciaAdenanthera pavonina, Barbados pride, coralwood, coral-wood, peacock flower fence, red sandalwood - East Indian tree with racemes of yellow-white flowers; cultivated as an ornamentalalbizia, albizzia - any of numerous trees of the genus Albiziaconacaste, Enterolobium cyclocarpa, elephant's ear - tropical South American tree having a wide-spreading crown of bipinnate leaves and coiled ear-shaped fruits; grown for shade and ornament as well as valuable timberinga - any tree or shrub of the genus Inga having pinnate leaves and showy usually white flowers; cultivated as ornamentalsice-cream bean, Inga edulis - ornamental evergreen tree with masses of white flowers; tropical and subtropical Americaguama, Inga laurina - tropical tree of Central America and West Indies and Puerto Rico having spikes of white flowers; used as shade for coffee plantationslead tree, Leucaena glauca, Leucaena leucocephala, white popinac - low scrubby tree of tropical and subtropical North America having white flowers tinged with yellow resembling mimosa and long flattened podsLysiloma bahamensis, Lysiloma latisiliqua, wild tamarind - a tree of the West Indies and Florida and Mexico; resembles tamarind and has long flat podsnitta tree - any of several Old World tropical trees of the genus Parkia having heads of red or yellow flowers followed by pods usually containing edible seeds and pulpcamachile, huamachil, manila tamarind, Pithecellobium dulce, wild tamarind - common thorny tropical American tree having terminal racemes of yellow flowers followed by sickle-shaped or circinate edible pods and yielding good timber and a yellow dye and mucilaginous gumAlstonia scholaris, devil tree, dita, dita bark - evergreen tree of eastern Asia and Philippines having large leathery leaves and small green-white flowers in compact cymes; bark formerly used medicinallyconessi, Holarrhena antidysenterica, Holarrhena pubescens, ivory tree, kurchee, kurchi - tropical Asian tree with hard white wood and bark formerly used as a remedy for dysentery and diarrheaMeryta sinclairii, puka - small roundheaded New Zealand tree having large resinous leaves and panicles of green-white flowersPisonia aculeata, cockspur - small spiny West Indian treescrew pine, pandanus - any of various Old World tropical palmlike trees having huge prop roots and edible conelike fruits and leaves like pineapple leavesHoheria populnea, houhere, lacebark, ribbonwood - small tree or shrub of New Zealand having a profusion of axillary clusters of honey-scented paper-white flowers and whose bark is used for cordagePlagianthus betulinus, Plagianthus regius, ribbon tree, ribbonwood - deciduous New Zealand tree whose inner bark yields a strong fiber that resembles flax and is called New Zealand cottontulipwood tree - any of various trees yielding variously colored woods similar to true tulipwoodBombax ceiba, Bombax malabarica, red silk-cotton tree, simal - East Indian silk cotton tree yielding fibers inferior to kapokMontezuma - evergreen tree with large leathery leaves and large pink to orange flowers; considered a link plant between families Bombacaceae and SterculiaceaePseudobombax ellipticum, shaving-brush tree - tree of Mexico to Guatemala having densely hairy flowers with long narrow petals clustered at ends of branches before leaves appear | | 2. | tree - a figure that branches from a single root; "genealogical tree"tree diagramplane figure, two-dimensional figure - a two-dimensional shapecladogram - a tree diagram used to illustrate phylogenetic relationshipsstemma - a tree diagram showing a reconstruction of the transmission of manuscripts of a literary work | | 3. | Tree - English actor and theatrical producer noted for his lavish productions of Shakespeare (1853-1917)Sir Herbert Beerbohm Tree | Verb | 1. | tree - force a person or an animal into a position from which he cannot escapecornerchannelise, channelize, guide, maneuver, steer, manoeuver, manoeuvre, point, head, direct - direct the course; determine the direction of travelling | | 2. | tree - plant with trees; "this lot should be treed so that the house will be shaded in summer"plant, set - put or set (seeds, seedlings, or plants) into the ground; "Let's plant flowers in the garden" | | 3. | tree - chase an animal up a tree; "the hunters treed the bear with dogs and killed it"; "her dog likes to tree squirrels"dog, give chase, go after, chase, tail, chase after, trail, track, tag - go after with the intent to catch; "The policeman chased the mugger down the alley"; "the dog chased the rabbit" | | 4. | tree - stretch (a shoe) on a shoetreeshoetreeelongate, stretch - make long or longer by pulling and stretching; "stretch the fabric" |
tree nounRelated words adjectives arboreal, arboreousQuotations "The tree is known by its fruit" Bible: St. Matthew "I think that I shall never see" "A poem lovely as a tree" [Joyce Kilmer Trees] "Of all the trees that grow so fair," "Old England to adorn," "Greater are none beneath the Sun," "Than Oak, and Ash, and Thorn" [Rudyard Kipling Puck of Pook's Hill]Trees acacia, akee, alder, almond, aloe, apple, apricot, ash, aspen, balsa, banana, banyan, baobab, bay, beech, birch, bonsai, box, brazil, bunya, butternut, cacao, carob, cashew, cassia, cedar, cedar of Lebanon, cherry, chestnut, cinnamon, citrus, coco, coconut, coolabah, cork oak, cypress, date palm, deal, dogwood, Douglas fir, ebony, elder, elm, eucalyptus or eucalypt, fig, fir, grapefruit, ground ash, ground oak, guava, gum, gympie, hawthorn, hazel, hemlock, hickory, holly, hornbeam, horse chestnut, ilex, ironwood, jacaranda, Judas tree, juniper, karri, kauri, laburnum, larch, laurel, lemon, lilac, lime, lind, linden, lotus, macrocarpa, magnolia, mahogany, mango, mangrove, maple, melaleuca, mimosa, monkey puzzle or Chile pine, mountain ash, mulberry, nutmeg, oak, olive, orange, osier, palm, papaya, paperbark, pawpaw or papaw, peach, pear, persimmon, pine, plane, plum, pomegranate, poplar, pussy willow, quince, raffia, redwood, rosewood, rowan, sandalwood, sassafras, Scots fir, Scots pine, sequoia, silver birch, spruce, stringy-bark, sycamore, tamarind, teak, walnut, weeping willow, white ash, whitebeam, willow, witch, witch elm, yew, ylang-ylang, yuccaTranslationstree (triː) noun the largest kind of plant, with a thick, firm, wooden stem and branches. We have three apple trees growing in our garden. 樹 树ˈtreetop noun the top of a tree. the birds in the treetops. 樹頂 树顶ˈtree-trunk noun the trunk of a tree. 樹幹 树干ˈtree line noun the height above which trees cannot grow. 林木線 林木线tree
tree n. marijuana. Grass, tree, bush. It’s all pot! See:- 3-on-the-tree
- As the twig is bent, so is the tree inclined
- at the top of the tree
- bark up the wrong tree
- bark up the wrong tree, to
- be barking up the wrong tree
- be out of (one's) tree
- be out of your tree
- cannot see the wood for the trees
- can't see the forest for the trees
- can't see the forest/wood(s) for the trees
- can't see the wood for the trees
- Christmas tree
- Christmas tree bill
- close as the bark to the tree
- dead-tree edition
- dead-tree format
- dead-tree press
- every/a monkey knows what tree to climb
- flourish like a green bay tree
- fruit of the poisonous tree
- go between the bark and the tree
- Go chase yourself!
- go climb a tree
- Go climb a tree!
- go climb a tree/fly a kite
- go fly a kite
- grow on trees
- he that would eat the fruit must climb the tree
- like nailing Jell-O to a tree
- like trying to nail Jell-O to a tree
- live in a tree
- make like a tree and leave
- Money does not grow on trees
- money doesn't grow on trees
- nail Jell-O to a tree
- nail Jell-O to the wall
- not able to see the forest for the trees
- not able to see the wood for the trees
- not grow on trees
- not see the wood for the trees
- out of (one's) tree
- out of your tree
- shake (one's) tree
- shake someone's tree
- shake the pagoda tree
- shake tree
- talk someone's arm off
- the apple does not fall far from the tree
- the apple doesn't fall/never falls far from the tree
- the apple never falls far from the tree
- the top of the tree
- the top of the tree/ladder
- tight as the bark on a tree
- tree
- tree hugger
- tree is known by its fruit
- tree-suit
- up a gum tree
- up a tree
tree
tree, perennial woody plant with a single main stemstem, supporting structure of a plant, serving also to conduct and to store food materials. The stems of herbaceous and of woody plants differ: those of herbaceous plants are usually green and pliant and are covered by a thin epidermis instead of by the bark of woody plants. ..... Click the link for more information. (the trunk, or bole) from which branches and twigs extend to form a characteristic crown of foliage. In general, a tree differs from a shrub in that it has a single trunk, it reaches a greater height at maturity, it branches at a greater distance from the ground, and it increases in size by producing new branches and expanding in girth while a shrub often produces new shoots from ground level. Trees fall into three major divisions: angiospermsangiosperm , term denoting seed plants in which the ovules, or young seeds, are enclosed within the ovary (that part of the pistil specialized for seed production), in contrast to the gymnosperms, in which the seeds are not enclosed within an ovary. ..... Click the link for more information. , gymnosperms, and pteridophytes. Angiosperms are the most common type, where seeds carried in various fruits are the agents of reproduction. Trees and shrubs may be deciduous, with broad leaves that are shed at the end of the growing season, or evergreen (see coniferconifer [Lat.,=cone-bearing], tree or shrub of the order Coniferales, e.g., the pine, monkey-puzzle tree, cypress, and sequoia. Most conifers bear cones and most are evergreens, though a few, such as the larch, are deciduous. ..... Click the link for more information. ), with needlelike or scalelike leaves that are shed at intervals of between 2 and 10 years, thus maintaining green foliage at all seasons. Trees are identified both by the characteristic color and shape of the leafleaf, chief food-manufacturing organ of a plant, a lateral outgrowth of the growing point of stem. The typical leaf consists of a stalk (the petiole) and a blade—the thin, flat, expanded portion (needlelike in most conifers) that is normally green in color because of the ..... Click the link for more information. and by their overall appearance, e.g., the degree and angle of branching, the shape of the crown, and the texture of the bark. Their age can be determined from a count of the annual ringsannual rings, the growth layers of wood that are produced each year in the stems and roots of trees and shrubs. In climates with well-marked alternations of seasons (either cold and warm or wet and dry), the wood cells produced when water is easily available and growth is rapid ..... Click the link for more information. , which represent the diameter growth of a tree each year. Besides their enormous importance in providing oxygen and moisture for the atmosphere and removing harmful carbon dioxide, trees are an important source of food, of woodwood, botanically, the xylem tissue that forms the bulk of the stem of a woody plant. Xylem conducts sap upward from the roots to the leaves, stores food in the form of complex carbohydrates, and provides support; it is made up of various types of cells specialized for each of ..... Click the link for more information. , and of numerous products (e.g., resins, rubber, quinine, turpentine, and cellulose for the manufacture of paper and various synthetic materials) derived from their wood, bark, leaves, and fruits. Bibliography See H. Johnson, The International Book of Trees (1973) and The World of Trees (2010); L. Line and A. Sutton, Audubon Society Book of Trees (1981); A. C. Barefoot and F. W. Hankins, Identification of Modern Tertiary Woods (1982); F. Stafford, The Long, Long Life of Trees (2016). Tree A perennial woody plant at least 20 ft (6 m) in height at maturity, having an erect stem or trunk and a well-defined crown or leaf canopy. However, no sharp lines can be drawn between trees, shrubs, and lianas (woody vines). The essence of the tree form is relatively large size, long life, and a slow approach to reproductive maturity. The difficulty of transporting water, nutrients, and storage products over long distances and high into the air against the force of gravity is a common problem of large treelike plants and one that is not shared by shrubs or herbs. Classification Almost all existing trees belong to the seed plants (Spermatophyta). An exception are the giant tree ferns which were more prominent in the forests of the Devonian Period and today exist only in the moist tropical regions. The Spermatophyta are divided into the Pinophyta (gymnosperms) and the flowering plants, Magnoliophyta (angiosperms). The gymnosperms bear their seed naked on modified leaves, called scales, which are usually clustered into structures called cones—for example, pine cones. By contrast the seed of angiosperms is enclosed in a ripened ovary, the fruit. See Magnoliophyta, Pinophyta The orders Cycadales, Ginkgoales, and Pinales of the Pinophyta contain trees. Ginkgo biloba, the ancient maidenhair tree, is the single present-day member of the Ginkgoales. The Cycadales, characteristic of dry tropical areas, contain many species which are small trees. The Pinales, found throughout the world, supply much of the wood, paper, and building products of commerce. They populate at least one-third of all existing forest and include the pines (Pinus), hemlocks (Tsuga), cedars (Cedrus), spruces (Picea), firs (Abies), cypress (Cupressus), larches (Larix), Douglas-fir (Pseudotsuga), sequoia (Sequoia), and other important genera. The Pinales are known in the lumber trade as softwoods and are popularly thought of as evergreens, although some (for example, larch and bald cypress) shed their leaves in the winter. In contrast to the major orders of gymnosperms which contain only trees, many angiosperm families are herbaceous and include trees only as an exception. Only a few are exclusively arborescent. The major classes of the angiosperms are the Liliopsida (monocotyledons) and the Magnoliopsida (dicotyledons). The angiosperm trees, commonly thought of as broad-leaved and known as hardwoods in the lumber market, are dicotyledons. Examples of important genera are the oaks (Quercus), elms (Ulmus), maples (Acer), and poplars (Populus). The Liliopsida contain few tree species, and these are never used for wood products, except in the round as posts. Examples of monocotyledonous families are the palms (Palmae), yucca (Liliaceae), bamboos (Bambusoideae), and bananas (Musaceae). Morphology The morphology of a tree is similar to that of other higher plants. Its major organs are the stem, or trunk and branches; the leaves; the roots; and the reproductive structures. Almost the entire bulk of a tree is nonliving. Of the trunk, branches, and roots, only the tips and a thin layer of cells just under the bark are alive. Growth occurs only in these meristematic tissues. Meristematic cells are undifferentiated and capable of repeated division. See Flower, Lateral meristem, Leaf, Root (botany), Stem Growth Height is a result of growth only in apical meristems at the very tips of the twigs. A nail driven into a tree will always remain at the same height, and a branch which originates from a bud at a given height will never rise higher. The crown of a tree ascends as a tree ages only by the production of new branches at the top and by the death and abscission of lower, older branches as they become progressively more shaded. New growing points originate from the division of the apical meristem and appear as buds in the axils of leaves. See Apical meristem, Bud, Plant growth In the gymnosperms and the dicotyledonous angiosperms, growth in diameter occurs by division in only a single microscopic layer, three or four cells wide, which completely encircles and sheaths the tree. This lateral meristem is the cambium. It divides to produce xylem cells (wood) on the inside toward the core of the tree and phloem cells on the outside toward the bark. In trees of the temperate regions the growth of each year is seen in cross section as a ring. See Phloem, Xylem Xylem elements become rigid through the thickening and modification of their cell wall material. The tubelike xylem cells transport water and nutrients from the root through the stem to the leaves. In time the xylem toward the center of the trunk becomes impregnated with various mineral and metabolic products, and it is no longer capable of conduction. This nonfunctional xylem is called heartwood and is recognizable in some stems by its dark color. The light-colored, functional outer layer of the xylem is the sapwood. See Wood anatomy The phloem tissue transports dissolved carbohydrates and other metabolic products manufactured by the leaves throughout the stem and the roots. Most of the phloem cells are thin-walled and are eventually crushed between the bark and the cambium by the pressures generated in growth. The outer bark is dead and inelastic but the inner bark contains patches of cork cambium which produce new bark. As a tree increases in circumference, the old outer bark splits and fissures develop, resulting in the rough appearance characteristic of the trunks of most large trees. In the monocotyledons the lateral cambium does not encircle a central core, and the vascular or conducting tissue is organized in bundles scattered throughout the stem. The trunk is not wood as generally conceived although it does in fact have secondary xylem. See Forest and forestry, Plant physiology, Plant taxonomy Tree a long-lived plant (usually not under 2 m in height) with perennial woody stems and roots. In trees, as distinguished from shrubs, the main stem—the trunk with its branches forming a crown—is always well defined. Almost all trees belong to one of two groups—conifers (of the gymnosperms) or dicotyledons (of the angiosperms). The trunk and branches of a tree consist of wood and bark. The type of branching in various species is distinctive and determines their appearance. In trees grown in plantings the trunk is tall and almost cylindrical, and the crown is small and high. Trees grown in open places have short, thick trunks that widen toward the base (tapering), and their crowns begin low. As a rule, the lumber of the former is considerably more valuable. Among the monocotyledons there are trees with trunks that are thin and hollow (bamboo), poorly branched (dracena), or unbranched but bearing large leaves in place of branches (palms). The tallest trees are the sequoia, the Douglas fir, and the eucalyptus (up to 100-110 m); the thickest are the baobabs (up to 9 m in diameter); and the longest lived are the sequoia, baobab, and dragon tree, which may live to an age of 3,000-5,000 years. V. N. VEKHOV What does it mean when you dream about trees?The sobriquet “tree of knowledge” and the proverb “they shall be known by their fruits” reflect the ancient heritage of this archetypal dream symbol. The size and the condition of the tree may indicate how one views one’s inner strength and “growth” in the world. tree[trē] (botany) A perennial woody plant at least 20 feet (6 meters) in height at maturity, having an erect stem or trunk and a well-developed crown or leaf canopy. (computer science) A data structure in which each element may be logically followed by two or more other elements, there is one element with no predecessor, every other element has a unique predecessor, and there are no circular lists. (electronics) A set of connected circuit branches that includes no meshes; responds uniquely to each of the possible combinations of a number of simultaneous inputs. Also known as decoder. (mathematics) A connected graph contained in a given connected graph having all the vertices of the original but without any closed circuit. (metallurgy) A projecting treelike aggregate of crystals formed at areas of high local current density in electroplating. tree1. any large woody perennial plant with a distinct trunk giving rise to branches or leaves at some distance from the ground 2. any plant that resembles this but has a trunk not made of wood, such as a palm tree 3. See family tree shoetree saddletree4. Chem a treelike crystal growth; dendrite 5. Archaic the cross on which Christ was crucified www.british-trees.com www.wildlifesafari.info http://homepages.ihug.co.nz/~crysalis www.ecoworld.org/trees/ecoworld_trees_home.cfm www.globalforestscience.org
Tree Sir Herbert Beerbohm. 1853--1917, English actor and theatre manager; half-brother of Sir Max Beerbohm. He was noted for his lavish productions of Shakespeare tree (mathematics, data)A directed acyclic graph; i.e. a graphwherein there is only one route between any pair of nodes,and there is a notion of "toward top of the tree" (i.e. theroot node), and its opposite direction, toward the leaves.A tree with n nodes has n-1 edges.
Although maybe not part of the widest definition of a tree, acommon constraint is that no node can have more than oneparent. Moreover, for some applications, it is necessary toconsider a node's daughter nodes to be an ordered list,instead of merely a set.
As a data structure in computer programs, trees are used ineverything from B-trees in databases and file systems, togame trees in game theory, to syntax trees in a human orcomputer languages.tree(1) See forests and trees.
(2) An external DOS/Windows command that displays a subfolder tree, as follows:
tree display hierarchy tree /f display files and subfolders
(3) A hierarchical structure that is conceptualized as an upside-down tree with the starting point at the top, which is the root. For example, in a company organization chart, the highest level is the executive office. The various divisions are the branches, and the departments are branches off the divisions.
The Folder Tree The term often refers to the file/folder hierarchy on a hard disk. In Windows and Mac, the Explorer and Finder utilities are used to display these hierarchies respectively. See root.
| Windows and Mac Trees |
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Folder hierarchies are displayed from left to right. The highest folder in the Windows example (top) is Program Files, while the highest level in the Mac (bottom) is the Utilities folder. |
| Windows and Mac Trees |
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Folder hierarchies are displayed from left to right. The highest folder in the Windows example (top) is Program Files, while the highest level in the Mac (bottom) is the Utilities folder. |
Tree (dreams)The tree in your dream is you. The health, size, and overall quality of the tree is indicative of how you feel about yourself. This interpretation is to be made only when the tree is the focal point of the dream. Also, consider whether the tree is alive with leaves, flowers, or fruit, or if it’s barren. You may see trees in your dream as a part of a landscape or as a secondary symbol. At those times, consider all of the details, as they may have different interpretations than the one just given.tree
tree [tre] an anatomic structure with branches resembling a tree.bronchial tree the bronchi and their branching structures; see color plates.tracheobronchial tree the trachea, bronchi, and their branching structures; see color plates.Anatomy Any branching structure—e.g., bronchial tree, vascular tree Botany A perennial woody plant having a main trunk and usually a distinct crown Evidence-based medicine A diagram of an algorithm for a particular process Evolutionary biology A schematic which demonstrates the relatedness of organisms Genetics A diagram with branches in descending lines showing relationships as to lineagePatient discussion about treeQ. Could i be allergic to trees? I have a lot of olive trees in my neighborhood and I have been told that olive trees are highly allergic. A. Thanks a lot Brandon. I'll try your tip Q. if someone is allergic to olive trees, does that mean they are allergic to olive oil as well? A. I asked him, and he said he has no prob with olive oil. Dinner was spectacular if i may add :) More discussions about treeTree Related to Tree: threeTREE. A woody plant, which in respect of thickness and height grows greater than any other plant. 2. Trees are part of the real estate while growing, and before they are severed from the freehold; but as soon as they are cut down, they are personal property. 3. Some trees are timber trees, while others do not bear that denomination. Vide Timber, and 2 Bl. Com. 281. 4. Trees belong to the owner of the land where they grow, but if the roots go out of one man's land into that of another, or the branches spread over the adjoining estates, such roots or branches may be cut off by the owner of the land into which they thus grow. Rolle's R. 394; 3 Bulst. 198; Vin. Ab. Trees, E; and tit. Nuisance, W 2, pl. 3; 8 Com. Dig. 983; 2 Com. Dig. 274; 10 Vin. Ab. 142; 20 Viii. Ab. 415; 22 Vin. Ab. 583; 1 Supp. to Ves. jr. 138; 2 Supp. to Ves. jr. 162, 448; 6 Ves. 109. 5. When the roots grow into the adjoining land, the owner of such land may lawfully claim a right to hold the tree in common with the owner of the land where it was planted; but if the branches only overshadow the adjoining land, and the root does not enter it, the tree wholly belongs owner of the estate where the roots grow. 1 Swift's Dig. 104; 1 Hill. Ab. 6; 1 Ld. Raym. 737. Vide 13 Pick. R. 44; 1 Pick., R. 224; 4 Mass. R. 266; 6 N. H. Rep. 430; 3 Day, 476; 11 Co. 50; Rob. 316; 2 Rolle, It. 141 Moo. & Mal. 112; 11 Conn. R. 177; 7 Conn. 125; 8 East, R. 394; 5 B. & Ald. 600; 1 Chit. Gen. Pr. 625; 2 Phil. Ev. 138; Gale & Wheat. on Easem. 210; Code Civ. art. 671; Pardes. Tr. des Servitudes, 297; Bro. Ab. Demand, 20; Dall. Dict. mot Servitudes, art. 3 Sec. 8; 2 P. Wms. 606; Moor, 812; Hob. 219; Plowd. 470; 5 B. & C. 897; S. C. 8 D. & R. 651. When the tree grows directly on the boundary line, so that the line passes through it, it is the property of both owners, whether it be marked as a boundary or not. 12 N. H. Rep. 454. FinancialSeedecision treeTREE
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TREE➣Tree Research & Education Endowment (Fund) | TREE➣Trends in Ecology & Evolution (journal) | TREE➣Trusted Real Estate Enterprises (California) | TREE➣Teaching and Research in Engineering in Europe (Florence, Italy) | TREE➣Transient Radiation Effects On Electronics | TREE➣Taking Responsibility for the Earth and Environment (Blacksburg, VA) | TREE➣Teens Reconnecting to Earth Experiences (Boise, ID) | TREE➣Tropical Rainforest Ecology Experiment |
tree Related to tree: three |