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A glucoside found in ripe and unripe fruit (as the orange), and extracted as a white crystalline substance.

idge (Cecidomyia destructor). Its larvæ live between the base of the lower leaves and the stalk of wheat, and are very destructive to young wheat; -- so called from the erroneous idea that it was brought into America by the Hessian troops, during the Revolution.

lite family, often occurring in amygdaloid, in foliated masses, and also in monoclinic crystals with pearly luster on the cleavage face. It is a hydrous silicate of alumina and lime.

Having six sides and six angles; six-sided. Hexagonal system. (Crystal.) See under Crystallization.

A hybrid between a stallion and an ass.

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.

e added condition that if he shall retain the goods for the full period and pay all the installments of rent as they become due the contract shall determine and the title vest absolutely in him, and that if he chooses he may at any time during the term surrender the goods and be quit of any liability for future install…

Musty; moldy; stale. [Obs.] Shak.

A closed vessel of nearly spherical form on a high stem or pedestal. Fairholt.

Pining for home; in a nostalgic condition. -- Home"sick`ness, n.

A near similarity of crystalline forms between unlike chemical compounds. See Isomorphism.

A climbing plant (Humulus Lupulus), having a long, twining, annual stalk. It is cultivated for its fruit (hops).

A hydrous phosphate of zinc in transparent prismatic crystals.

hiefly in the plural. "Thicker than a cuckold's horn." Shak. Horn block, the frame or pedestal in which a railway car axle box slides up and down; -- also called horn plate. -- Horn of a dilemma. See under Dilemma. -- Horn distemper, a disease of cattle, affecting the internal substance of the horn. -- Horn drum, a…

cellent humor was expended on the perplexities of mine host. W. Irving. Aqueous humor, Crystalline humor or lens, Vitreous humor. (Anat.) See Eye. -- Out of humor, dissatisfied; displeased; in an unpleasant frame of mind.

A hunting watch, or one of which the crystal is protected by a metallic cover. Hunter's room, the lunation after the harvest moon. -- Hunter's screw (Mech.), a differential screw, so named from the inventor. See under Differential.

Glassy; resembling glass; consisting of glass; transparent, like crystal. "Hyaline spaces." Carpenter.

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

e hydroids, of the genus Hydractinia and allied genera. These hydroids form, by their rootstalks, a firm, chitinous coating on shells and stones, and esp. on spiral shells occupied by hermit crabs. See Illust. of Athecata.

One of a group of crystalline bodies produced by the action of ammonia on certain aldehydes.