MULTIPLICA'TION, noun [Latin multiplicatio.] 1. The act of multiplying or of increasing number; as the multiplication of the human species by natural generation. 2. In arithmetic, a rule or operation by which any given number may be increased according to any number of times proposed. Thus 10 multiplied by 5 is increased to 50.
Source: Webster's 1828 American Dictionary ↗ · public-domain · returned verbatim, no AI