HIPPOPOTAMUS n.
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. A smaller species (H. Liberiencis) inhabits Western…
IMAGINARY a.
ity (Alg.), an algebraic expression which involves the impossible operation of taking the square root of a negative quantity; as, sq. root-9, a + b sq. root-1. -- Imaginary points, lines, surfaces, etc. (Geom.), points, lines, surfaces, etc., imagined to exist, although by reason of certain changes of a figure they ha…
INDIA n.
ly black pigment brought chiefly from China, used for 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 Can…
INVERSE a.
at the product of their distances from the center of the circle or sphere is equal to the square of the radius. -- Inverse, or Reciprocal, ratio (Math.), the ratio of the reciprocals of two quantities. -- Inverse, or Reciprocal, proportion, an equality between a direct ratio and a reciprocal ratio; thus, 4 : 2 : : ,…
JACKASS n.
a perverse blockhead. Jackass bark (Naut.), a three-masted vessel, with only the foremast square-rigged; a barkentine. -- Jackass deer (Zoöl.), the koba. -- Jackass hare, Jackass rabbit (Zoöl.). See Jack rabbit, under 2d Jack, n. -- Jackass penguin (Zoöl.), any species of penguin of the genus Spheniscus, of which se…