n. [ Gr. 'a`kros summit + 'odoy`s, 'odo`ntos, a tooth. ] (Zool.) One of a group of lizards having the teeth immovably united to the top of the alveolar ridge. -- a. Of or pertaining to the acrodonts. [ 1913 Webster ]

n. a genus of thin-shelled freshwater mussels.
Syn. -- genus Anodonta. [ WordNet 1.5 ]

a. (Med.) Efficacious in curing toothache. -- n. A remedy for toothache. [ 1913 Webster ]

n. 1. 1 the type genus of the family Aplodontiidae, comprising the mountain beavers.
Syn. -- genus Aplodontia. [ WordNet 1.5 ]

n. 1. 1 a family of mammals comprising the mountain beavers.
Syn. -- family Aplodontiidae. [ WordNet 1.5 ]

{ ‖ } n. pl. [ NL. bunodonta, fr. Gr. &unr_; hill, heap + &unr_;, &unr_;, a tooth. ] (Zool.) A division of the herbivorous mammals including the hogs and hippopotami; -- so called because the teeth are tuberculated. [ 1913 Webster ]

n. [ Gr. chai`th hair + &unr_;, &unr_;, tooth. ] (Zool.) A marine fish of the family Chætodontidæ. The chætodonts have broad, compressed bodies, and usually bright colors. [ 1913 Webster ]

a. Of or pertaining to the Chætodonts or the family Chætodontidæ. [ 1913 Webster ]

n. a natural family comprising the butterfly fishes.
Syn. -- family Chaetodontidae. [ WordNet 1.5 ]

a. [ Gr. koi^los hollow + &unr_;, &unr_;, tooth. ] (Zool.) Having hollow teeth; -- said of a group lizards. -- n. One of a group of lizards having hollow teeth. [ 1913 Webster ]

n. [ Gr. kw^nos cone + 'odoy`s, 'odo`ntos, tooth. ] (Zool.) A peculiar toothlike fossil of many forms, found especially in carboniferous rocks. Such fossils are supposed by some to be the teeth of marsipobranch fishes, but they are probably the jaws of annelids. [ 1913 Webster ]

n. an extinct order of primitive vertebrates; the precise taxonomy is not clear; in some classifications it is considered a separate phylum.
Syn. -- order Conodonta, Conodontophorida, order Conodontophorida. [ WordNet 1.5 ]

a. (Paleon.) Pertaining to, or resembling, the genus Coryphodon. [ 1913 Webster ]

n. any member of the Cynodontia, a group of small carnivorous reptiles. [ WordNet 1.5 ]

n. a division of Triassic Therapsida comprising small carnivorous reptiles often with mammallike teeth.
Syn. -- division Cynodontia. [ WordNet 1.5 ]

n. [ Gr. &unr_;&unr_;&unr_;&unr_; kind of carp + &unr_;&unr_;&unr_;&unr_;, &unr_;&unr_;&unr_;&unr_;, a tooth. ] (Zool.) One of the Cyprinodontidae, a family of fishes including the killifishes or minnows. See Minnow. [ 1913 Webster ]

n. a large family of small soft-finned fishes; killifishes; flagfishes; swordtails; guppies.
Syn. -- family Cyprinodontidae. [ WordNet 1.5 ]

n. [ Gr. desmo`s bond + 'odoy`s, 'odo`ntos, tooth. ] (Zool.) A member of a group of South American blood-sucking bats, of the genera Desmodus and Diphylla. See Vampire. [ 1913 Webster ]

n. a natural family comprisng the true vampire bats.
Syn. -- family Desmodontidae. [ WordNet 1.5 ]

n. [ Gr. di- = di`s- twice + &unr_; dog + 'odoy`s, 'odo`ntos, tooth. ] (Paleon.) One of a group of extinct reptiles having the jaws armed with a horny beak, as in turtles, and in the genus Dicynodon, supporting also a pair of powerful tusks. Their remains are found in triassic strata of South Africa and India. [ 1913 Webster ]

a. (Zool.) Like or pertaining to the genus Diodon. -- n. A fish of the genus Diodon, or an allied genus. [ 1913 Webster ]

a. [ Gr. &unr_; double (di- = di`s- twice + &unr_; to produce) + 'odoy`s, 'odo`ntos, tooth. ] (Anat.) Having two successive sets of teeth (deciduous and permanent), one succeeding the other; as, a diphyodont mammal; diphyodont dentition; -- opposed to monophyodont. -- n. An animal having two successive sets of teeth. [ 1913 Webster ]

n. 1. the branch of dentistry dealing with diseases of the dental pulp.
Syn. -- endodontia. [ WordNet 1.5 ]

2. the treatment of diseases of the dental pulp, especially by completely removing the pulp and nerve inside a tooth and its root, and replacing it with a filling material; root canal therapy; pulp canal therapy. [ PJC ]

n. a dentist specializing in endodontics. [ WordNet 1.5 ]

n. the branch of dentistry dealing with extraction of teeth.
Syn. -- exodontia. [ WordNet 1.5 ]

n. a dentist specializing in the extraction of teeth. [ WordNet 1.5 ]

n. (Paleon.) One of a family (Glyptodontidæ) of extinct South American edentates, of which Glyptodon is the type. About twenty species are known. [ 1913 Webster ]

n. [ Gr. gymno`s naked + 'odoy`s, 'odo`ntos, tooth. ] (Zoöl.) One of a group of plectognath fishes (Gymnodontes), having the teeth and jaws consolidated into one or two bony plates, on each jaw, as the diodonts and tetradonts. See Bur fish, Globefish, Diodon. [ 1913 Webster ]

a. [ Hetero- + Gr. &unr_;, &unr_; a tooth. ] (Anat.) Having the teeth differentiated into incisors, canines, and molars, as in man; -- opposed to homodont. [ 1913 Webster ]

n. (Zool.) Any animal with heterodont dentition. [ 1913 Webster ]

a. [ Homo- + Gr. &unr_;, &unr_;, a tooth. ] (Anat.) Having all the teeth similar in front, as in the porpoises; -- opposed to heterodont.

a. [ Gr. &unr_; hump + &unr_;, &unr_;, a tooth. ] (Paleon.) Of, pertaining to, or resembling, an extinct genus of sharks (Hybodus), especially in the form of the teeth, which consist of a principal median cone with smaller lateral ones. [ 1913 Webster ]

prop. n. A natural family of cetaceans comprising the beaked whales; in some, especially former, classifications it included in the family Physeteridae.
Syn. -- Ziphiidae, family Ziphiidae, family Hyperodontidae. [ WordNet 1.5 ]

a. (Paleon.) Like or pertaining to the genus Iguanodon. [ 1913 Webster ]

a. (Paleon.) Of or pertaining to the Labyrinthodonta. -- n. One of the Labyrinthodonta. [ 1913 Webster ]

‖prop. n. pl. [ NL. See Labyrinthodon. ] (Paleon.) An extinct order of Amphibia, including the typical genus Labyrinthodon, and many other allied forms, from the Carboniferous, Permian, and Triassic formations. By recent writers they are divided into two or more orders. See Stegocephala. [ 1913 Webster ]

a. [ Macro- + Gr. 'odoy`s, 'odo`ntos, a tooth. ] (Zool.) Having large teeth. -- n. A macrodont animal. [ 1913 Webster ]

a. Pertaining to, or resembling, a mastodon; as, mastodontic dimensions. Everett. [ 1913 Webster ]

a. [ Meso- + Gr. 'odoy`s, 'odo`ntos, a tooth. ] (Anat.) Having teeth of moderate size. [ 1913 Webster ]

a. [ Micr- + Gr. 'odoy`s, 'odo`ntos, a tooth. ] (Anat.) Having small teeth. [ 1913 Webster ]

a. [ Gr. mo`nos single (mo`nos alone + &unr_; to produce) + 'odoy`s, 'odo`ntos, a tooth. ] (Anat.) Having but one set of teeth; -- opposed to diphyodont. [ 1913 Webster ]

n. A natural family of extinct South American edentates.
Syn. -- family Mylodontidae. [ WordNet 1.5 ]

n. [ Gr. nw^ton the back + 'odoy`s, 'odo`ntos a tooth. ] (Zool.) Any one of several species of bombycid moths belonging to Notodonta, Nerice, and allied genera. The caterpillar of these moths has a hump, or spine, on its back. [ 1913 Webster ]

a. [ Octo- + Gr. &unr_;, &unr_;. ] (Zool.) Of or pertaining to the Octodontidae, a family of rodents which includes the coypu, and many other South American species. [ 1913 Webster ]

‖n. [ NL., fr. Gr. &unr_;; 'odoy`s, 'odo`ntos, a tooth + 'a`lgos pain. ] (Med.) Toothache. [ 1913 Webster ]

a. [ Cf. F. odontalgique. ] Of or pertaining to odontalgia. -- n. A remedy for the toothache. [ 1913 Webster ]

n. (Med.) Same as Odontalgia. [ 1913 Webster ]

‖n. [ NL., fr. Gr. 'odoy`s, 'odo`ntos, a tooth. ] Cutting of the teeth; dentition. [ 1913 Webster ]

A combining form from Gr. 'odoy`s, 'odo`ntos, a tooth. [ 1913 Webster ]

n. [ Odonto- + -blast. ] [ 1913 Webster ]

1. (Anat.) One of the more or less columnar cells on the outer surface of the pulp of a tooth; an odontoplast. They are supposed to be connected with the formation of dentine. [ 1913 Webster ]

2. (Zool.) One of the cells which secrete the chitinous teeth of Mollusca. [ 1913 Webster ]