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e hand above the base of the little finger, or a corresponding part in the forefoot of an animal; as, the hypothenar eminence.

enous substance, closely related to xanthin and uric acid, widely distributed through the animal body, but especially in muscle tissue; -- called also sarcin, sarkin.

Any animal of the genus Hyrax, of which about four species are known. They constitute the order Hyracoidea. The best known species are the daman (H. Syriacus) of Palestine, and the klipdas (H. capensis) of South Africa. Other species are H. arboreus and H. Sylvestris, the former from Southern, and the latter from Weste…

Self-heating; warmed, as the body of animal, by process going on within itself.

ears, in the night, over marshy ground, supposed to be occasioned by the decomposition of animal or vegetable substances, or by some inflammable gas; -- popularly called also Will-with-the-wisp, or Will-o'-the-wisp, and Jack-with-a- lantern, or Jack-o'-lantern.

To resemble (another species of animal, or a plant, or inanimate object) in form, color, ornamentation, or instinctive habits, so as to derive an advantage thereby; sa, when a harmless snake imitates a venomous one in color and manner, or when an odorless insect imitates, in color, one having secretion offensive to bir…

The act of condition of imitating another species of animal, or a plant, or unanimate object. See Imitate, v. t., 3.

Designed to imitate another species of animal, or a plant, or inanimate object, for some useful purpose, such as protection from enemies; having resamblance to something else; as, imitative colors; imitative habits; dendritic and mammillary forms of minerals are imitative. -- Im"i*ta*tive*ly, adv. -- Im"i*ta*tive*nes…

A collection of pus or purulent matter in any part of an animal body; an abscess.

The quality or condition of being impotent; want of strength or power, animal, intellectual, or moral; weakness; feebleness; inability; imbecility. Some were poor by impotency of nature; as young fatherless children, old decrepit persons, idiots, and cripples. Hayward. O, impotence of mind in body strong! Milton.…

Capable of being impregnated, as the egg of an animal, or the ovule of a plant.

The fusion of a female germ cell (ovum) with a male germ cell (in animals, a spermatozoön) to form a single new cell endowed with the power of developing into a new individual; fertilization; fecundation.

Not having arrived at puberty; immature. In impuberal animals the cerebellum is, in proportion to the brain proper, greatly less than in adults. Sir W. Hamilton.

ly, force so communicated as to produced motion suddenly, or immediately. All spontaneous animal motion is performed by mechanical impulse. S. Clarke.

A modern term applied to animals (as a boar) when borne as raging, or with furious aspect.

Motion on foot; progress in walking. [Obs.] The incession or local motion of animals. Sir T. Browne.

The inability of any of the animal organs to restrain the natural evacuations, so that the discharges are involuntary; as, incontinence of urine.

tion; enlargement. The seminary that furnisheth matter for the formation and increment of animal and vegetable bodies. Woodward. A nation, to be great, ought to be compressed in its increment by nations more civilized than itself. Coleridge.

water colors. It is in rolls, or in square, and consists of lampblack or ivory black and animal glue. Called also China ink. The true India ink is sepia. See Sepia. -- India matting, floor matting made in China, India, etc., from grass and reeds; -- also called Canton, or China, matting. -- India paper, a variety of…

An indigo-forming substance, found in urine, and other animal fluids, and convertible into red and blue indigo (urrhodin and uroglaucin). Chemically, it is indoxyl sulphate of potash, C8H6NSO4K, and is derived from the indol formed in the alimentary canal. Called also uroxanthin.