(Zoöl.), a sea duck native of Patagonia and Terra del Fuego, which swims and dives with great agility, but which, when full grown, is incapable of flight, owing to its very small wings. Called also loggerhead, race horse, and side wheel duck.

(Steam"i*ness) n. The quality or condition of being steamy; vaporousness; mistness.

(Steam"ship`) n. A ship or seagoing vessel propelled by the power of steam; a steamer.

(Steam"y) a. Consisting of, or resembling, steam; full of steam; vaporous; misty. Cowper.

(Stean) n. & v. See Steen. Spenser.

(Stean"ingp), n. See Steening.

(Ste*ap"sin) n. (Physiol Chem.) An unorganized ferment or enzyme present in pancreatic juice. It decomposes neutral fats into glycerin and fatty acids.

(Ste"a*rate) n. (Chem.) A salt of stearic acid; as, ordinary soap consists largely of sodium or potassium stearates.

(Ste*ar"ic) a. [Cf. F. stéarique.] (Physiol. Chem.) Pertaining to, or obtained from, stearin or tallow; resembling tallow.

Stearic acid(Chem.), a monobasic fatty acid, obtained in the form of white crystalline scales, soluble in alcohol and ether. It melts to an oily liquid at 69°C.

(Ste"a*rin) n. [Gr. tallow, suet: cf. F. stéarine.] (Physiol. Chem.) One of the constituents of animal fats and also of some vegetable fats, as the butter of cacao. It is especially characterized by its solidity, so that when present in considerable quantity it materially increases the hardness, or raises the melting point, of the fat, as in mutton tallow. Chemically, it is a compound of glyceryl with three molecules of stearic acid, and hence is technically called tristearin, or glyceryl tristearate.

(Ste`a*rol"ic) a. [Stearic + oleic + -ic.] (Chem.) Of, pertaining to, or designating, an acid of the acetylene series, isologous with stearis acid, and obtained, as a white crystalline substance, from oleïc acid.

(Ste"a*rone) n. (Chem.) The ketone of stearic acid, obtained as a white crystalline substance, (C17H35)2.CO, by the distillation of calcium stearate.

(Ste`a*rop"tene) n. [Stearic + -optene as in elæoptene.] (Chem.) The more solid ingredient of certain volatile oils; — contrasted with elæoptene.

(||Ste`ar*rhe"a) n. [NL., from Gr. tallow + to flow.] (Med.) seborrhea.

(Ste"a*ryl) n. [Stearic + - yl.] (Chem.) The hypothetical radical characteristic of stearic acid.

(Ste"a*tite) n. [Gr. fat, tallow: cf. F. stéatite.] (Min.) A massive variety of talc, of a grayish green or brown color. It forms extensive beds, and is quarried for fireplaces and for coarse utensils. Called also potstone, lard stone, and soapstone.

(Ste`a*tit"ic) n. (Min.) Pertaining to, or of the nature of, steatite; containing or resembling steatite.

(||Ste`a*to"ma) n. [L., fr. Gr. fr. to turn into tallow or suet, fr. fat, suet.] (Med.) A cyst containing matter like suet.

(Ste`a*tom"a*tous) a. (Med.) Of the nature of steatoma.

Steamer duck

  By PanEris using Melati.

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