perfect square


: an integer (such as 9 or 36) whose square root is an integer

Examples of perfect square in a Sentence

Recent Examples on the Web Cardi's nails were several inches long and shaped into a perfect square, painted the subtlest baby pink for a sweet flower petal aesthetic. Kara Nesvig, Allure, 2 July 2024 The pro kept Lively’s nails short but filed into a perfect square shape. Michelle Lee, Peoplemag, 11 June 2024 Pressing the mixture into a 9-inch square baking pan turns out perfect squares, but the size and shape of your vessel is up to you. Eric Kim, San Diego Union-Tribune, 15 May 2024 Because modular number systems are finite, perfect squares are more common. Quanta Magazine, 1 Nov. 2023 Want to find primes that are 1 bigger than a perfect square, like 17 or 257? Erica Klarreich, Quanta Magazine, 26 Oct. 2023 Since no perfect square can end in 2, 3, 7 or 8, no perfect square exists with only those digits. Quanta Magazine, 18 Nov. 2020 Use it to cut a perfect square of wrapping paper. Washington Post, 21 Dec. 2021 Pale orange, velvety smooth, and tangy as Pinkberry, a perfect square of American cheese or Velveeta melts all in one piece. Veronique Greenwood, Discover Magazine, 18 Sep. 2011

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'perfect square.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1811, in the meaning defined above

Time Traveler
The first known use of perfect square was in 1811

Dictionary Entries Near perfect square

Cite this Entry

“Perfect square.” Dictionary, Merriam-Webster, Accessed 22 Jul. 2024.

Kids Definition

perfect square

: a whole number whose square root is a whole number
9 is a perfect square
Last Updated: - Updated example sentences
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