perfect square
Americannoun
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a rational number that is equal to the square of another rational number.
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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.
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
Is the last term of the trinomial a perfect square?
From Textbooks • May 6, 2020
Factor the perfect square trinomial, writing it as a binomial squared on the left and simplify by adding the terms on the right.
From Textbooks • May 6, 2020
Now to complete the perfect square trinomial, we will find the last term by squaring b, which is 32 = 9.
From Textbooks • May 6, 2020
And between each object is a ninety-degree angle, so the circuit becomes a perfect square.
From "The London Eye Mystery" by Siobhan Dowd
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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.