Muriatic acid, hydrochloric acid, HCl; — formerly called also marine acid, and spirit of salt. See hydrochloric, and the Note under Muriate.

(Mu`ri*a*tif"er*ous) a. [Muriatic + -ferous.] (Old Chem.) Producing muriatic substances or salt. [Obs.]

(Mu"ri*cate Mu"ri*ca`ted) a. [L. muricatus, fr. murex a pointed rock or stone.] Formed with sharp points; full of sharp points or of pickles; covered, or roughened, as a surface, with sharp points or excrescences.

(Mu"ri*coid) a. [Murex + - oid.] (Zoöl.) Like, or pertaining to, the genus Murex, or family Muricidæ.

(Mu*ric"u*late) a. Minutely muricate.

(Mu"ride) n. [L. muria brine.] (Old Chem.) Bromine; — formerly so called from its being obtained from sea water.

(Mu"ri*form) a. [L. murus a wall + -form.] (Bot.) Resembling courses of bricks or stones in squareness and regular arrangement; as, a muriform variety of cellular tissue.

(Mu"rine) a. [L. murinus, from mus, muris, mouse: cf. F. murin.] (Zoöl.) Pertaining to a family of rodents of which the mouse is the type.

(||Mu"rex) n.; pl. Murices [L., the purple fish.] (Zoöl.) A genus of marine gastropods, having rough, and frequently spinose, shells, which are often highly colored inside; the rock shells. They abound in tropical seas.

(Mu*rex"an) n. [From Murexide.] (Chem.) A complex nitrogenous substance obtained from murexide, alloxantin, and other ureids, as a white, or yellowish, crystalline which turns red on exposure to the air; — called also uramil, dialuramide, and formerly purpuric acid.

(Mu*rex"ide) n. [L. murex the purple fish, purple.] (Chem.) A crystalline nitrogenous substance having a splendid dichroism, being green by reflected light and garnet-red by transmitted light. It was formerly used in dyeing calico, and was obtained in a large quantities from guano. Formerly called also ammonium purpurate.

(Mu*rex"o*ïn) n. (Chem.) A complex nitrogenous compound obtained as a scarlet crystalline substance, and regarded as related to murexide.

(Mu"ri*ate) n. [See Muriatic.] (Chem.) A salt of muriatic hydrochloric acid; a chloride; as, muriate of ammonia.

This term, as also the word muriatic, was formerly applied to the chlorides before their true composition was understood, and while they were erroneously supposed to be compounds of an acid with an oxide. Muriate and muriatic are still occasionally used as commercial terms, but are obsolete in scientific language.

(Mu"ri*a`ted) a.

1. Put in brine. Evelyn.

2. (Chem.) Combined or impregnated with muriatic or hydrochloric acid.

3. (Photog.) Prepared with chloride of silver through the agency of common salt.

(Mu`ri*at"ic) a. [L. muriaticus pickled, from muria brine: cf. F. muriatique.] (Chem.) Of, pertaining to, or obtained from, sea salt, or from chlorine, one of the constituents of sea salt; hydrochloric.

  By PanEris using Melati.

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