| 释义 |
root and branch
root 1 R0301400 (ro͞ot, ro͝ot)n.1. a. The usually underground portion of a plant that lacks buds, leaves, or nodes and serves as support, draws minerals and water from the surrounding soil, and sometimes stores food.b. Any of various other underground plant parts, especially an underground stem such as a rhizome, corm, or tuber.2. a. The embedded part of an organ or structure such as a hair, tooth, or nerve, that serves as a base or support.b. The bottom or supporting part of something: We snipped the wires at the roots.3. The essential part or element; the basic core: I finally got to the root of the problem.4. A primary source; an origin. See Synonyms at origin.5. A progenitor or ancestor from which a person or family is descended.6. a. often roots The condition of being settled and of belonging to a particular place or society: Our roots in this town go back a long way.b. roots The state of having or establishing an indigenous relationship with or a personal affinity for a particular culture, society, or environment: music with unmistakable African roots.7. Linguistics a. The element that carries the main component of meaning in a word and provides the basis from which a word is derived by adding affixes or inflectional endings or by phonetic change.b. Such an element reconstructed for a protolanguage. Also called radical.8. Mathematics a. A number that when multiplied by itself an indicated number of times forms a product equal to a specified number. For example, a fourth root of 4 is √2. Also called nth root.b. A number that reduces a polynomial equation in one variable to an identity when it is substituted for the variable.c. A number at which a polynomial has the value zero.9. Music a. The note from which a chord is built.b. Such a note occurring as the lowest note of a triad or other chord.v. root·ed, root·ing, roots v.intr.1. To grow roots or a root: Carrot tops will root in water.2. To become firmly established or settled: The idea of tolerance has rooted in our culture.v.tr.1. To plant and fix the roots of (a plant) in soil or the ground.2. To establish or settle firmly: Our love of the ocean has rooted us here.3. To be the source or origin of: "Much of [the team's] success was rooted in the bullpen" (Dan Shaughnessy).4. a. To dig or pull out by the roots. Often used with up or out: We rooted out the tree stumps with a tractor.b. To remove or get rid of. Often used with out: "declared that waste and fraud will be vigorously rooted out of Government" (New York Times).Idiom: root and branch Utterly; completely: The organization has been transformed root and branch by its new leaders.
[Middle English rot, from Old English rōt, from Old Norse; see wrād- in Indo-European roots.]
root′er n.
root 2 R0301400 (ro͞ot, ro͝ot)v. root·ed, root·ing, roots v.tr.1. To turn up by digging with the snout or nose: hogs that rooted up acorns.2. To cause to appear or be known. Used with out: an investigation that rooted out the source of the problem.v.intr.1. To turn over the earth with the snout or nose.2. To search or rummage for something: rooted around for a pencil in his cluttered office.
[Middle English wroten, from Old English wrōtan.]
root′er n.
root 3 R0301400 (ro͞ot, ro͝ot)intr.v. root·ed, root·ing, roots 1. To give audible encouragement or applause to a contestant or team; cheer. See Synonyms at applaud.2. To give moral support to someone; hope for a favorable outcome for someone: We'll be rooting for you when you take the exam.
[Possibly alteration of rout.]
root′er n.
root and branch
root and branchIn its entirety; wholly. The company has changed root and branch since it was bought out by the media conglomerate. The new administration is aiming to overhaul the tax system root and branch.See also: and, branch, rootroot and branchUtterly, completely, as in The company has been transformed root and branch by the new management. Alluding to both the underground and aboveground parts of a tree, this idiom was first recorded in 1640. See also: and, branch, rootroot and branch COMMON If something is changed or reformed root and branch, it is changed or reformed completely, so that none of the old or traditional parts remain. These genuinely radical measures should change our economic system root and branch. Note: A root-and-branch reform, change or examination is a complete reform, change or examination. The Chief Inspector of Prisons called for root and branch reform of the prison system yesterday. The government has embarked on a root and branch review of the future of student finance. Note: In 1641 the Root and Branch Bill abolishing the government of the church by bishops was presented to the English Parliament. Those who supported the bill were known as `root-and-branch men', and the term has been used to refer to reform ever since. See also: and, branch, rootroot and branch used to express the thorough or radical nature of a process or operation. 1999 Which? Last year, the government undertook a root and branch examination of the home-buying process in England and Wales. See also: and, branch, rootˌroot and ˈbranch completely; thoroughly: The independence movement has been destroyed root and branch.See also: and, branch, root root and branch Utterly; completely: The organization has been transformed root and branch by its new leaders.See also: and, branch, rootEncyclopediaSeerootLegalSeeRoot |