noun One who multiplies or causes something to increase.
noun A number by which another (the multiplicand) is to be multiplied.
In the expression 5 × 7, the "5" is a multiplier.
noun An adjective indicating the number of times something is to be multiplied.
English multipliers include "double" and "triple".
noun A ratio used to estimate total economic effect for a variety of economic activities.
noun Any of several devices used to enhance a signal a coil; when Johann Schweigger in 1820 invented the electric coil, increasing the electro-magnetic field from a single wire, this invention was called a multiplier.
noun a coil; when Johann Schweigger in 1820 invented the electric coil, increasing the electro-magnetic field from a single wire, this invention was called a multiplier.