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An instrument which, placed against the teeth, conveys sound to the auditory nerve; an audiphone. Knight.

An instrument for scraping the teeth.

One whose business it is to clean, extract, or repair natural teeth, and to make and insert artificial ones; a dental surgeon.

The development and cutting of teeth; teething.

To breed or cut new teeth. [R.] The old countess . . . did dentize twice or thrice. Bacon.

An artificial tooth, block, or set of teeth.

A vacant space, or gap, esp. between teeth in a jaw.

A genus of spinose, plectognath fishes, having the teeth of each jaw united into a single beaklike plate. They are able to inflate the body by taking in air or water, and, hence, are called globefishes, swellfishes, etc. fishes, and sea hedgehogs.

ng a wick in melted tallow. -- To dip snuff, to take snuff by rubbing it on the gums and teeth. [Southern U. S.] -- To dip the colors (Naut.), to lower the colors and return them to place; -- a form of naval salute.

Having two successive sets of teeth (deciduous and permanent), one succeeding the other; as, a diphyodont mammal; diphyodont dentition; -- opposed to monophyodont. -- n.

The practice of taking snuff by rubbing the teeth or gums with a stick or brush dipped in snuff. [U.S.] Dipping needle, a magnetic needle suspended at its center of gravity, and moving freely in a vertical plane, so as to indicate on a graduated circle the magnetic dip or inclination.

Australia, about as large as the hippopotamus; -- so named because of its two large front teeth. See Illustration in Appendix.

Deprived of claws, and teeth or beaks. Cussans.

for astronomical instruments) or bars (as for scales); also, for spacing off and cutting teeth in wheels. -- Dividing sinker. (Knitting Mach.). See under Sinker.

An order of gastropods, including the true limpets, and having the teeth on the odontophore or lingual ribbon.

A revolving cylinder, or a vibrating bar with teeth, in a carding machine, which doffs, or strips off, the cotton from the cards. Ure.

An ornament common in Gothic architecture, consisting of pointed projections resembling teeth; -- also called tooth ornament. Dogtooth spar (Min.), a variety of calcite, in acute crystals, resembling the tooth of a dog. See Calcite. -- Dogtooth violet (Bot.), a small, bulbous herb of the Lily family (genus Erythronium…

or grief; painful. Their dispatch is quick, and less dolorous than the paw of the bear or teeth of the lion. Dr. H. More. -- Dol"or*ous*ly, adv. -- Dol"or*ous*ness, n.

escapement, a peculiar kind of watch escapement, in which the scape-wheel has two sets of teeth. See Escapement. -- Duplex lathe, one for turning off, screwing, and surfacing, by means of two cutting tools, on opposite sides of the piece operated upon. -- Duplex pumping engine, a steam pump in which two steam cylinde…

ammals including the armadillos, sloths, and anteaters; -- called also Bruta. The incisor teeth are rarely developed, and in some groups all the teeth are lacking.