INDEFINITE a.
Not definite; not limited, defined, or specified; not explicit; not determined or fixed upon; not precise; uncertain; vague; confused; obscure; as, an indefinite time, plan, etc. It were to be wished that . . . men would leave off that indefinite way of vouching, "the chymists say this," or "the chymists affirm that."…
INTERNAL-COMBUSTION; INTERNAL-COMBUSTION ENGINE a.
a gas, and not in a separate chamber, as in a steam- engine boiler. The gas used may be a fixed gas, or one derived from alcohol, ether, gasoline (petrol), naphtha, oil (petroleum), etc. There are three main classes: (1) gas engines proper, using fixed gases, as coal, blast-furnace, or producer gas; (2) engines using t…
INVERSE a.
figure. -- Inverse points (Geom.), two points lying on a line drawn from the center of a fixed circle or sphere, and so related that 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 tw…
JEWISH CALENDAR n.
e year 3761 b. c., the date traditionally given for the Creation. It received its present fixed form from Hillel II. about 360 a. d. The present names of the months, which are Babylonian- Assyrian in origin, replaced older ones, Abib, Bul, etc., at the time of the Babylonian Exile. Nineteen years constitute a lunar cyc…
LABEL n.
A slip of silk, paper, parchment, etc., affixed to anything, usually by an inscription, the contents, ownership, destination, etc.; as, the label of a bottle or a package.