Pronunciation: (mul"tu-pli-kā'shun), [key]
1. the act or process of multiplying or the state of being multiplied.
2. Arith.a mathematical operation, symbolized by a × b, a &bultimes; b, a * b, or ab, and signifying, when a and b are positive integers, that a is to be added to itself as many times as there are units in b; the addition of a number to itself as often as is indicated by another number, as in 2×3 or 5×10.
3. Math.any generalization of this operation applicable to numbers other than integers, as fractions or irrational numbers.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.