perfect square

noun Mathematics.

a rational number that is equal to the square of another rational number.

a polynomial that is the square of another polynomial.

Nearby words

perfect participle, perfect pitch, perfect progressive, perfect ream, perfect rhyme, perfect square, perfect stage, perfect storm, perfect year, perfecta, perfectibility of man

Origin of perfect square

First recorded in 1935–40

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019