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perfect square

American  

noun

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

  2. a polynomial that is the square of another polynomial.


Etymology

Origin of perfect square

First recorded in 1935–40


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

I'd also stack all of the bacon on the center of another plate, arranging the pieces into a perfect square, and then filling the middle of that center square with fresh fruit.

From Salon ● Mar. 10, 2023

But what happens if we have to solve an equation where the trinomial is not a perfect square?

From Textbooks ● Sep. 23, 2020

The trinomial 9x2 + 24x + 16 is called a perfect square trinomial.

From Textbooks ● May 6, 2020

When we rationalized a square root, we multiplied the numerator and denominator by a square root that would give us a perfect square under the radical in the denominator.

From Textbooks ● May 6, 2020

Coach snatched the towel from his shoulder, folded it into a perfect square, and set it in the space between us.

From "Ghost" by Jason Reynolds

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