To set the product of the extremes of a proportion equal to the product of its means.

plural of function multiplier

(military) A factor, such as better positioning or equipment, which increases a unit's combat potential, allowing it to fight on a par with a larger force.

The potato onion.

plural of multiplier onion

plural of force multiplier

A glass with a number of facets, causing an object to appear multiplied many times.

A lens with a number of facets, causing an object to appear multiplied many times.

plural of multiplying glass

plural of multiplying lens