Definitions for "Perfect square"
Keywords:  integer, square, whole, root, positive
a whole number that is the square of an integer. e.g. 25 is a perfect square because 5 X 5 = 25.
A whole number that is the square of an integer. Example: 16 is a perfect square because 4*4=16.
a number that has a counting number (natural number) as its square root