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Any parasitic entomostracan of the tribe Siphonostomata.

See Somite.

An instrument for measuring or comparing the intensites of the colors of the spectrum.

The art of comparing, photometrically, the brightness of two spectra, wave length by wave length; the use of the spectrophotometer. --Spec`tro*pho`to*met"ric (#), a.

A drop measurer; a glass tube tapering to a small orifice at the point, and having a bulb in the middle, used for finding the number of drops in equal quantities of different liquids. See Pipette. Sir D. Brewster.

Having a small or narrow mouth; -- said of certain small ground snakes (Opoterodonta), which are unable to dilate their jaws.

A small blunt-pointed bistoury, -- used in syringotomy.

Relating to, or characterized by, tautomerism.

It is a special case of metamerism; thus, the lactam and the lactim compounds exhibit tautomerism.

A slender knife for use in the operation of tenotomy.

An apparatus for the determination of colors by comparison with arbitrary standards; a colorimeter.

An instrument for removing the tonsils.

Not used; not habituated; unfamiliar; unused; -- which to. Chastened as a bullock unaccustomed to yoke. Jer. xxxi. 18.

Deprived of a bottom.

Uncustomable; also, not having paid duty or customs. Smollett.

An instrument for cutting a urethral stricture.

An instrument for removing the uvula.

A viameter.

An epitome or compend, as of a book; a shortened or abridged form; an abbreviation. Ancient coins as abridgments of history. Addison.

ential qualities of a larger thing or of several things. Specifically: A summary or an epitome, as of a treatise or book, or of a statement; a brief. An abstract of every treatise he had read. Watts. Man, the abstract Of all perfection, which the workmanship Of Heaven hath modeled. Ford.