nilpotent

noun

An algebraic quantity that when raised to a certain power equals zero.

In mathematics, vanishing on being raised to a certain power. Thus, if i be such an expression in multiple algebra that i × i × i = 0, i is nilpotent

adjective

Describing an element, of a ring, for which there exists some positive integer n such that xn = 0.

adjective

equal to zero when raised to a certain power