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glands contained in the mucous membrane of the stomach. It consists mainly of dilute hydrochloric acid and the ferment pepsin. It is the most important digestive fluid in the body, but acts only on proteid foods. -- Gastric remittent fever (Med.), a form of remittent fever with pronounced stomach symptoms.…

nitrogenous substance, with a sweet taste, formed from hippuric acid by boiling with hydrochloric acid, and present in bile united with cholic acid. It is also formed from gelatin by decomposition with acids. Chemically, it is amido-acetic acid. Called also glycin, and glycocin.

in the embryo. It is quickly changed into sugar when boiled with dilute sulphuric or hydrochloric acid, and also by the action of amylolytic ferments.

An acid containing hydrogen; -- sometimes applied to distinguish acids like hydrochloric, hydrofluoric, and the like, which contain no oxygen, from the oxygen acids or oxacids. See Acid.

A combining form of hydrogen, indicating hydrogen as an ingredient, as hydrochloric; or a reduction product obtained by hydrogen, as hydroquinone.

pungent, corrosive gas, HBr, usually collected as a solution in water. It resembles hydrochloric acid, but is weaker and less stable. Called also hydrogen bromide.

A compound of hydrochloric acid with a base; -- distinguished from a chloride, where only chlorine unites with the base.

on yellow prussiate of potassium (potassium ferrocyanide), and chemically resembles hydrochloric and hydrobromic acids. Called also prussic acid, hydrogen cyanide, etc.

Perchloric; as, hyperoxymuriatic acid. [Obs.]

ction of the currents or waves of the sea; as, marine deposits. Marine acid (Chem.), hydrochloric acid. [Obs.] -- Marine barometer. See under Barometer. -- Marine corps, a corps formed of the officers, noncommissioned officers, privates, and musicants of marines. -- Marine engine (Mech.), a steam engine for propellin…

al waters. Mineral acids (Chem.), inorganic acids, as sulphuric, nitric, phosphoric, hydrochloric, acids, etc., as distinguished from the organic acids. -- Mineral blue, the name usually given to azurite, when reduced to an impalpable powder for coloring purposes. -- Mineral candle, a candle made of paraffine. -- Mi…

but one acid hydrogen atom to be replaced; -- said of acids; as, acetic, nitric, and hydrochloric acids are monobasic.

A salt of muriatic hydrochloric acid; a chloride; as, muriate of ammonia.

Combined or impregnated with muriatic or hydrochloric acid.

, or obtained from, sea salt, or from chlorine, one of the constituents of sea salt; hydrochloric. Muriatic acid, hydrochloric acid, HCl; -- formerly called also marine acid, and spirit of salt. See hydrochloric, and the Note under Muriate.

also adjectively) designating certain compounds of nitrogen or of its acids, as nitrohydrochloric, nitrocalcite; also, designating the group or radical NO2, or its compounds, as nitrobenzene. Nitro group, the radical NO2; -- called also nitroxyl.

Of, pertaining to, or composed of, nitric acid and muriatic acid; nitrohydrochloric. See Nitrohydrochloric.

An acid containing oxygen, as chloric acid or sulphuric acid; - - contrasted with the hydracids, which contain no oxygen, as hydrochloric acid. See Acid, and Hydroxy-.

Pertaining to, or consisting of, oxygen and muriatic acid, that is, hydrochloric acid. [Archaic.] Oxymuriatic acid, chlorine, formerly so called on the supposition that it was a compound of oxygen and muriatic acid. [Obs.]

n the secretory glands of the stomach. In the gastric juice it is united with dilute hydrochloric acid (0.2 per cent, approximately) and the two together constitute the active portion of the digestive fluid. It is the active agent in the gastric juice of all animals.