Mūl'ti-pli-cā'tion, n.
n. [Lat. multiplicatio, Fr. multiplication, Pr. multiplicatio, Sp. multiplicacion, It. moltiplicazione. See MULTIPLY.]
Sense 1. The act of multiplying, or of increasing number; as, the multiplication of the human species by natural generation.
Sense 2. (Math.) A rule or operation by which any given number or quantity may be repeated or added to itself any number of times proposed; thus, the product of 10 multiplied by 5 is 50.