HARD a.
se, etc. See under Cancer, Case, etc. -- Hard clam, or Hard-shelled clam (Zoöl.), the guahog. -- Hard coal, anthracite, as distinguished from bituminous or soft coal. -- Hard and fast. (Naut.) See under Fast. -- Hard finish (Arch.), a smooth finishing coat of hard fine plaster applied to the surface of rough plaste…
HIPPOPOTAMUS n.
rous mammal (Hippopotamus amphibius), common in the rivers of Africa. It is allied to the hogs, and has a very thick, naked skin, a thick and square head, a very large muzzle, small eyes and ears, thick and heavy body, and short legs. It is supposed to be the behemoth of the Bible. Called also zeekoe, and river horse.…
HOMOGRAPH n.
One of two or more words identical in orthography, but having different derivations and meanings; as, fair, n., a market, and fair, a., beautiful.
ISOMETRIC; ISOMETRICAL a.
ometrical perspective. See under Perspective. -- Isometrical projection, a species of orthographic projection, in which but a single plane of projection is used. It is so named from the fact that the projections of three equal lines, parallel respectively to three rectangular axes, are equal to one another. This kind…