WordWeight : Weighing the Words

Pronunciation : Mul"ti*pli`er
Part of Speech : n.
Etymology : [Cf. F. multiplier. Cf. Multiplicator.]
Definition : 1. One who, or that which, multiplies or increases number.

2. (Math.)

Defn: The number by which another number is multiplied. See the Note under Multiplication.

3. (Physics)

Defn: An instrument for multiplying or increasing by repetition or accumulation the intensity of a force or action, as heat or electricity. It is particularly used to render such a force or action appreciable or measurable when feeble. See Thermomultiplier.
Source : Webster's Unabridged Dictionary, 1913