(mathematics) Any symbol (in particular × or · or *) used to denote the operation of multiplication.

(mathematics) An operation of an algebraic structure playing a role analogous to multiplication.

(algebra) An element of an algebraic structure, generally denoted 1, which is an identity for a multiplicative operation (generally denoted × or *, or by concatenation).

plural of common multiple

(finance) An increase in the price-earnings ratio, or multiple, of a stock or group of stocks.

(arithmetic) A table showing the products of each of the integers from 1 to 10 (or, especially formerly, 12) with each of the integers from 1 to 10 (or 12).

(pathology) A chronic disease of the brain and spinal cord characterized by changes in sensation, visual problems, weakness, depression, difficulties with coordination and speech, impaired mobility and disability.

(genetics) The state of having three or more alleles, or distinctive forms of a gene.

(rail transport) A train consisting of one or more self-propelled cars capable of coupling with other units of the same or similar type and still being controlled from one cab.

(grammar) A numeral that expresses how many times some event happens.