英语词汇“tooth”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

tooth

(tth)

n. pl. teeth (tēth)

a. One of a set of hard, bonelike structures in the mouths of vertebrates, usually attached to the jaw or rooted in sockets and typically composed of a core of soft pulp surrounded by a layer of hard dentin that is coated with cementum or enamel at the crown and used for biting or chewing food or as a means of attack or defense.

b. A similar hard projection in an invertebrate, such as one of a set of projections on the hinge of a bivalve or on the radula of a snail.

2. A projecting part resembling a tooth in shape or function, as on a comb, gear, or saw.

3. A small, notched projection along a margin, especially of a leaf. Also called dent².

4. A rough surface, as of paper or metal.

a. often teeth Something that injures or destroys with force: the teeth of the blizzard.

b. teeth Effective means of enforcement; muscle: "This ... puts real teeth into something where there has been only lip service" (Ellen Convisser).

v. (tth, tth) toothed, tooth·ing, tooths

v.tr.

1. To furnish (a tool, for example) with teeth.

2. To make a jagged edge on.

v.intr.

To become interlocked; mesh.

Idioms:

get/sink (one's) teeth into Slang

To be actively involved in; get a firm grasp of.

show/bare (one's) teeth

To express a readiness to fight; threaten defiantly.

to the teeth

Lacking nothing; completely: armed to the teeth; dressed to the teeth.

[Middle English toth, from Old English tōth; see dent- in the Appendix of Indo-European roots.]

tooth

top: cross section of a human tooth

bottom: teeth on mechanical gears

单词	tooth
释义	tooth (tth) n. pl. teeth (tēth) 1. a. One of a set of hard, bonelike structures in the mouths of vertebrates, usually attached to the jaw or rooted in sockets and typically composed of a core of soft pulp surrounded by a layer of hard dentin that is coated with cementum or enamel at the crown and used for biting or chewing food or as a means of attack or defense. b. A similar hard projection in an invertebrate, such as one of a set of projections on the hinge of a bivalve or on the radula of a snail. 2. A projecting part resembling a tooth in shape or function, as on a comb, gear, or saw. 3. A small, notched projection along a margin, especially of a leaf. Also called dent². 4. A rough surface, as of paper or metal. 5. a. often teeth Something that injures or destroys with force: the teeth of the blizzard. b. teeth Effective means of enforcement; muscle: "This ... puts real teeth into something where there has been only lip service" (Ellen Convisser). v. (tth, tth) toothed, tooth·ing, tooths v.tr. 1. To furnish (a tool, for example) with teeth. 2. To make a jagged edge on. v.intr. To become interlocked; mesh. *Idioms:* *get/sink* (one's) teeth into Slang To be actively involved in; get a firm grasp of. show/bare (one's) teeth To express a readiness to fight; threaten defiantly. to the teeth** Lacking nothing; completely: armed to the teeth; dressed to the teeth. [Middle English toth, from Old English tōth; see dent- in the Appendix of Indo-European roots.] tooth top: cross section of a human tooth bottom: teeth on mechanical gears
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