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-- Sisal hemp, the fiber of Agave sisalana, of Mexico and Yucatan. -- Sunn hemp, a fiber obtained from a leguminous plant (Crotalaria juncea). -- Water hemp, an annual American weed (Acnida cannabina), related to the amaranth.

sulphuris calcareum ( Hepar antimonii ( (Old Chem.), a substance, of a liver-brown color, obtained by fusing together antimony sulphide with alkaline sulphides, and consisting of sulphantimonites of the alkalies; -- called also liver of antimony.

A white, crystalline substance having a sweetish taste, obtained by the decomposition of hesperidin, and regarded as a complex derivative of caffeic acid.

A hydrocarbon, C6H10, of the acetylene series, obtained artificially as a colorless, volatile, pungent liquid; -- called also hexoylene.

A liquid hydrocarbon, C6H8, of the valylene series, obtained from distillation products of certain fats and gums.

A lock in which a close grip is obtained and a fall attempted by a heave over the hip.

Obtained from the urine of horses; as, hippuric acid. Hippuric acid, a white crystalline substance, containing nitrogen, present in the urine of herbivorous animals, and in small quantity in human urine. By the action of acids, it is decomposed into benzoic acid and glycocoll.

aining to, or derived from, mutton suet; -- applied by Chevreul to an oily acid which was obtained from mutton suet, and to which he attributed the peculiar taste and smell of that substance. The substance has also been called hircin. Watts.

A learning or knowing by inquiry; the knowledge of facts and events, so obtained; hence, a formal statement of such information; a narrative; a description; a written record; as, the history of a patient's case; the history of a legislative bill.

A desire of some good, accompanied with an expectation of obtaining it, or a belief that it is obtainable; an expectation of something which is thought to be desirable; confidence; pleasing expectancy. The hypocrite's hope shall perish. Job vii. 13. He wished, but not with hope. Milton. New thoughts of God, new hopes o…

A fragrant balsam obtained from Brazilian trees of the genus Humirium.

A derivative of urea, C3H4N2O2, obtained from allantion, as a white, crystalline substance, with a sweetish taste; -- called also glycolyl urea.

t or pressure of water. -- Hydraulic jack. See under Jack. -- Hydraulic lime, quicklime obtained from hydraulic limestone, and used for cementing under water, etc. -- Hydraulic limestone, a limestone which contains some clay, and which yields a quicklime that will set, or form a firm, strong mass, under water. -- H…

f hydrogen, indicating hydrogen as an ingredient, as hydrochloric; or a reduction product obtained by hydrogen, as hydroquinone.

A white, crystalline, nitrogenous hydrocarbon, C9H9NO, obtained from certain derivatives of cinnamic acid and closely related to quinoline and carbostyril.

Pertaining to, or containing, or obtained from, hydrogen, ferric iron, and cyanogen; as, hydroferricyanic acid. See Ferricyanic.

Pertaining to, or containing, or obtained from, hydrogen, ferrous iron, and cyanogen; as, hydroferrocyanic acid. See Ferrocyanic.

ally those of animal or vegetable origin. It may by produced in many ways, but is chiefly obtained by the action of acids (as sulphuric) on metals, as zinc, iron, etc. It is very inflammable, and is an ingredient of coal gas and water gas. It is standard of chemical equivalents or combining weights, and also of valence…

A white, crystalline benzene derivative, C8H10O2, obtained by the reduction of phlorone.

An instrument used for the purpose of obtaining specimens of water from any desired depth, as in a river, a lake, or the ocean.