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An alkaloid found in the plant Peganum harmala. It forms bitter, yellow salts.

A tub lashed to a vessel's deck and containing salted provisions for daily use; -- called also harness tub. W. C. Russell.

Spirits of hartshorn (see below); volatile salts. Hartshorn plantain (Bot.), an annual species of plantain (Plantago Coronopus); -- called also duck's-horn. Booth. -- Hartshorn shavings, originally taken from the horns of harts, are now obtained chiefly by planing down the bones of calves. They afford a kind of jelly.…

A slightly acrid gum resin produced by the common hemp (Cannabis saltiva), of the variety Indica, when cultivated in a warm climate; also, the tops of the plant, from which the resinous product is obtained. It is narcotic, and has long been used in the East for its intoxicating effect. See Bhang, and Ganja.…

Any substance, such as an iron salt or organic compound containing iron, which when ingested tends to increase the hemoglobin contents of the blood.

rismatic crystals, formed from dried blood by the action of strong acetic acid and common salt; -- called also Teichmann's crystals. Chemically, it is a hydrochloride of hematin.

ove in vast schools, coming in spring to the shores of Europe and America, where they are salted and smoked in great quantities. Herring gull (Zoöl.), a large gull which feeds in part upon herrings; esp., Larus argentatus in America, and L. cachinnans in England. See Gull. -- Herring hog (Zoöl.), the common porpoise.…

A cake of Indian meal, water, and salt, baked before the fire or in the ashes; -- so called because often cooked on a hoe. [Southern U.S.]

oe vetch, from the peculiar shape of its pods. -- Iron horse, a locomotive. [Colloq.] -- Salt horse, the sailor's name for salt beef. -- To look a gift horse in the mouth, to examine the mouth of a horse which has been received as a gift, in order to ascertain his age; -- hence, to accept favors in a critical and tha…

A salt of humic acid.

of Hang. Hung beef, the fleshy part of beef slightly salted and hung up to dry; dried beef.

ater with some other substance, generally forming a neutral body, as certain crystallized salts.

as a stable, colorless gas, with a peculiar, irritating odor. As a base it forms distinct salts. Called also diamide, amidogen, (or more properly diamidogen), etc.

s made in great quantities in the soda process, by the action of sulphuric acid on common salt. It has a great affinity for water, and the commercial article is a strong solution of the gas in water. It is a typical acid, and is an indispensable agent in commercial and general chemical work. Called also muriatic, and c…

A salt of hydrofluosilic acid; a silicofluoride. See Silicofluoride.

A salt formed by the union of hydrotelluric acid and the base.

, or thiosulphate, a solution of which is used as a bath to wash out the unchanged silver salts in a picture. [Colloq.]

A salt of hypochlorous acid; as, a calcium hypochloride.

id (Chem.), an acid derived from chlorine, not known in a pure state, but forming various salts, called hypochlorites.

A salt of hyponitrous acid.