definite

a. [ L. definitis, p. p. of definire: cf. F. défini. See Define. ] 1. Having certain or distinct; determinate in extent or greatness; limited; fixed; as, definite dimensions; a definite measure; a definite period or interval. [ 1913 Webster ]

Elements combine in definite proportions. Whewell. [ 1913 Webster ]

2. Having certain limits in signification; determinate; certain; precise; fixed; exact; clear; as, a definite word, term, or expression. [ 1913 Webster ]

3. Determined; resolved. [ Obs. ] Shak. [ 1913 Webster ]

4. Serving to define or restrict; limiting; determining; as, the definite article. [ 1913 Webster ]

Definite article (Gram.), the article the, which is used to designate a particular person or thing, or a particular class of persons or things; -- also called a definitive. See Definitive, n. - -
Definite inflorescence. (Bot.) See Determinate inflorescence, under Determinate. --
Law of definite proportions (Chem.), the essential law of chemical combination that every definite compound always contains the same elements in the same proportions by weight; and, if two or more elements form more than one compound with each other, the relative proportions of each are fixed. Compare Law of multiple proportions, under Multiple. [ 1913 Webster ]

n. A thing defined or determined. [ Obs. ] [ 1913 Webster ]

adv. In a definite manner; with precision; precisely; determinately. [ 1913 Webster ]