perfect squareperfect square
The number four is a perfect square.
The definition of a perfect square is a number that is the result of a number multiplied by itself.
An example of a perfect square is 4, because 4 can be reached by multiplying 2 times 2.
an integer or quantity that is the exact square of another integer or quantity (Ex.: 25 is a perfect square of 5; x + 2xy + y is a perfect square of (x + y))
An integer that is the square of an integer.