| tooth | | |
| n. (body) | 1. tooth | hard bonelike structures in the jaws of vertebrates; used for biting and chewing or for attack and defense. |
| ~ fang | hollow or grooved tooth of a venomous snake; used to inject its poison. |
| ~ tusk | a long pointed tooth specialized for fighting or digging; especially in an elephant or walrus or hog. |
| ~ conodont | the tiny fossil cone-shaped tooth of a primitive vertebrate of order Conodonta. |
| ~ bone, os | rigid connective tissue that makes up the skeleton of vertebrates. |
| ~ dentin, dentine | bone (calcified tissue) surrounding the pulp cavity of a tooth. |
| ~ teeth, dentition | the kind and number and arrangement of teeth (collectively) in a person or animal. |
| ~ pulp cavity | the central cavity of a tooth containing the pulp (including the root canal). |
| ~ pearly, chopper | informal terms for a human `tooth'. |
| ~ carnassial tooth | the last upper premolar and first lower molar teeth of a carnivore; having sharp edges for cutting flesh. |
| ~ anterior, front tooth | a tooth situated at the front of the mouth.; "his malocclusion was caused by malposed anteriors" |
| ~ back tooth, posterior | a tooth situated at the back of the mouth. |
| ~ malposed tooth | a tooth that has grown in a faulty position. |
| ~ adult tooth, permanent tooth | any of the 32 teeth that replace the deciduous teeth of early childhood and (with luck) can last until old age. |
| ~ baby tooth, deciduous tooth, milk tooth, primary tooth | one of the first temporary teeth of a young mammal (one of 20 in children). |
| ~ canine, canine tooth, cuspid, eye tooth, eyetooth, dogtooth | one of the four pointed conical teeth (two in each jaw) located between the incisors and the premolars. |
| ~ bicuspid, premolar | a tooth having two cusps or points; located between the incisors and the molars. |
| ~ cusp | small elevation on the grinding surface of a tooth. |
| ~ incisor | a tooth for cutting or gnawing; located in the front of the mouth in both jaws. |
| ~ molar, grinder | grinding tooth with a broad crown; located behind the premolars. |
| ~ crown | the part of a tooth above the gum that is covered with enamel. |
| ~ tooth root, root | the part of a tooth that is embedded in the jaw and serves as support. |
| ~ pulp | the soft inner part of a tooth. |
| ~ stump | the part of a limb or tooth that remains after the rest is removed. |
| n. (artifact) | 2. tooth | something resembling the tooth of an animal. |
| ~ cog, sprocket | tooth on the rim of gear wheel. |
| ~ comb | a flat device with narrow pointed teeth on one edge; disentangles or arranges hair. |
| ~ comb | any of several tools for straightening fibers. |
| ~ power saw, sawing machine, saw | a power tool for cutting wood. |
| ~ projection | any structure that branches out from a central support. |
| ~ saw | hand tool having a toothed blade for cutting. |
| n. (animal) | 3. tooth | toothlike structure in invertebrates found in the mouth or alimentary canal or on a shell. |
| ~ denticle | small pointed ridge on the exoskeleton of an arthropod. |
| ~ anatomical structure, bodily structure, body structure, complex body part, structure | a particular complex anatomical part of a living thing.; "he has good bone structure" |
| n. (act) | 4. tooth | a means of enforcement.; "the treaty had no teeth in it" |
| ~ means, way, agency | how a result is obtained or an end is achieved.; "a means of control"; "an example is the best agency of instruction"; "the true way to success" |
| n. (artifact) | 5. tooth | one of a number of uniform projections on a gear. |
| ~ cogwheel, gear, gear wheel, geared wheel | a toothed wheel that engages another toothed mechanism in order to change the speed or direction of transmitted motion. |
| ~ projection | any structure that branches out from a central support. |
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