| 单词 | gum |
| 释义 | gum (once / 688 pages) 1nv 2nv Gum is a sticky substance that oozes out of a tree or another plant, and chewing gum is the stuff you blow bubbles with or stick under your desk. Yuck. Natural gum has many uses, including as a thickener in food products. Chewing gum, however, has only one real use: it's made to be chewed but not swallowed. This kind of gum often has a fruity or minty flavor, and can sometimes be blown into bubbles. When you gum something up, you clog or block it — or you make it sticky. Completely different gums are the soft flesh inside your mouth where your teeth are rooted. WORD FAMILYgum: gum-like, gummed, gumming, gummy, gums+/gummed: ungummed/gummy: gummier, gummiest, gummily, gumminess USAGE EXAMPLES“They started screaming and crying about how awful the gum was,” Mary said. Washington Times(Dec 31, 2016) Each morning afterward, Hardy’s mother guided him downtown to sell chewing gum, tobacco and candy bars. Los Angeles Times(Dec 24, 2016) Besides its use as incense, frankincense gum is distilled into oil for use in perfumes, skin lotions, medicine and chewing gum. Seattle Times(Dec 24, 2016) 1 1n any of various substances (soluble in water) that exude from certain plants; they are gelatinous when moist but harden on drying Hypo|Hyper liquidambar, sweet gum aromatic exudate from the sweet gum tree eucalyptus gum, eucalyptus kino, red gumreddish-brown dried gummy exudation from any of several trees of the genus Eucalyptus especially Eucalyptus camaldulensis balata, gutta balatawhen dried yields a hard substance used e.g. in golf balls ammoniac, gum ammoniacthe aromatic gum of the ammoniac plant carrageenan, carrageenina colloidal extract from carrageen seaweed and other red algae conimaa gum resin from the poison hemlock, Conium maculatum dragon's blooda dark red resinous substance derived from various trees and used in photoengraving euphorbium, gum eurphorbiuman acrid brown gum resin now used mainly in veterinary medicine frankincense, gum olibanum, olibanum, thusan aromatic gum resin obtained from various Arabian or East African trees; formerly valued for worship and for embalming and fumigation galbanum, gum albanuma bitter aromatic gum resin that resembles asafetida ghatti, ghatti guman Indian gum from the dhawa tree; used as a substitute for gum arabic agar, agar-agara colloidal extract of algae; used especially in culture media and as a gelling agent in foods algin, alginic acida gum used especially as a thickener or emulsifier cherry-tree gumexudation from trees of the Prunus genus; resembles gum arabic chicle, chicle gumgum-like substance from the sapodilla guar guma gum from seeds of the guar plant; used to thicken foods and as sizing for paper and cloth gum acacia, gum arabicgum from an acacia tree; used as a thickener (especially in candies and pharmaceuticals) Bengal kino, butea gum, butea kino, gum buteadried juice of the dhak tree; used as an astringent gum kino, kino, kino guma gum obtained from various tropical plants; used as an astringent and in tanning mesquite guma gum obtained from mesquite pods; resembles gum arabic mucilagea gelatinous substance secreted by plants karaya gum, sterculia gumexudate of an Asian tree; used for finishing textiles and to thicken foodstuffs and cosmetics gutta-perchaa whitish rubber derived from the coagulated milky latex of gutta-percha trees; used for insulation of electrical cables lacquera black resinous substance obtained from certain trees and used as a natural varnish opopanaxan odorous gum resin formerly used in medicines gum sangapenum, sangapenuma variety of gum tragacantha gum used in pharmacy, adhesives, and textile printing Senegal gumgum arabic from the vicinity of the Senegal river exudate, exudation a substance that oozes out from plant pores 2n a preparation (usually made of sweetened chicle) for chewing Syn|Hypo|Hyper chewing gum gum ball a ball of chewing gum with a coating of colored sugar bubble guma kind of chewing gum that can be blown into bubbles confection, sweet a food rich in sugar 3n cement consisting of a sticky substance that is used as an adhesive Syn|Hypo|Hyper glue, mucilage animal glue a protein gelatin obtained by boiling e.g. skins and hoofs of cattle and horses casein gluemade from casein; used for e.g. plywood and cabinetwork fish gluegelatinous substance obtained by boiling skins fins and bones of fish marine glueglue that is not water soluble cement something that hardens to act as adhesive material 4n any of various trees of the genera Eucalyptus or Liquidambar or Nyssa that are sources of gum Syn|Hypo|Hyper gum tree liquidambar any tree of the genus Liquidambar eucalypt, eucalyptus, eucalyptus treea tree of the genus Eucalyptus tupelo, tupelo treeany of several gum trees of swampy areas of North America American sweet gum, Liquidambar styraciflua, bilsted, red gum, sweet gum, sweet gum treea North American tree of the genus Liquidambar having prickly spherical fruit clusters and fragrant sap flooded gumany of several Australian gum trees growing on moist or alluvial soil malleeany of several low-growing Australian eucalypts stringybarkany of several Australian eucalypts having fibrous inner bark smoothbarkany of several Australian eucalypts having the bark smooth except at or near the base of the trunk Eucalyptus amygdalina, peppermint, peppermint gum, red gumred gum tree of Tasmania Eucalyptus calophylla, marri, red gumvery large red gum tree Eucalyptus camaldulensis, Eucalyptus rostrata, river gum, river red gumsomewhat crooked red gum tree growing chiefly along rivers; has durable reddish lumber used in heavy construction Eucalyptus camphora, mountain swamp gummedium-sized swamp gum of New South Wales and Victoria Eucalyptus coriacea, Eucalyptus pauciflora, ghost gum, snow gum, white ashsmall to medium-sized tree of Australia and Tasmania having smooth white to light-grey bark shedding in patches or strips Eucalyptus delegatensis, alpine ash, mountain oaktall timber tree with hard heavy pinkish or light brown wood Eucalyptus fraxinoides, white mountain ashlarge tree with dark compact bark on lower trunk but smooth and white above; yields lumber similar to that of European or American ashes Eucalyptus globulus, blue gum, fever treetall fast-growing timber tree with leaves containing a medicinal oil; young leaves are bluish Eucalypt ovata, swamp gummedium-sized tree of southern Australia Eucalyptus maculata, spotted gumlarge gum tree with mottled bark Eucalyptus citriodora, Eucalyptus maculata citriodora, lemon-scented gumsimilar to but smaller than the spotted gum and having lemon-scented leaves Eucalyptus regnans, mountain ashtree having wood similar to the alpine ash; tallest tree in Australia and tallest hardwood in the world Eucalyptus viminalis, manna gumtall tree yielding a false manna Nyssa aquatica, water gumcolumnar swamp tree of southeastern to midwestern North America yielding pale soft easily worked wood Nyssa sylvatica, black gum, pepperidge, sour gumcolumnar tree of eastern North America having horizontal limbs and small leaves that emerge late in spring and have brilliant color in early fall tree a tall perennial woody plant having a main trunk and branches forming a distinct elevated crown; includes both gymnosperms and angiosperms 5n wood or lumber from any of various gum trees especially the sweet gum Syn|Hypo|Hyper gumwood hazelwood, red gum, satin walnut, sweet gum reddish-brown wood and lumber from heartwood of the sweet gum tree used to make furniture wood the hard fibrous lignified substance under the bark of trees 6v cover, fill, fix or smear with or as if with gum if you gum the tape it is stronger Hyper apply, put on apply to a surface 7v become sticky Hyper change undergo a change; become different in essence; losing one's or its original nature 8v exude or form gum 2these trees gum in the Spring Hyper exudate, exude, ooze, ooze out, transude release (a liquid) in drops or small quantities 1n the tissue (covered by mucous membrane) of the jaws that surrounds the bases of the teeth Syn|Hyper gingiva animal tissue the tissue in the bodies of animals 2v grind with the gums; chew without teeth and with great difficulty Syn|Hyper mumble chew, jaw, manducate, masticate chew (food); to bite and grind with the teeth |
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