: an integer (such as 9 or 36) whose square root is an integer
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Another perfect square like 2025 (452 = 2,025) won’t occur again until 2116 (462 = 2,116).—Manon Bischoff, Scientific American, 10 Jan. 2026 Melted over the mixture are two perfect squares of American cheese, a shower of sesame seeds, and the aforementioned reddish-pink burger sauce.—Alana Al-Hatlani, Southern Living, 25 Oct. 2025 Next, those perfect squares come from consecutive numbers — three, four, and five.—Ari Daniel, NPR, 16 Sep. 2025 The boundaries are not a perfect square but run from 43rd Avenue on the east to 63rd Avenue on the west, and from Camelback Road on the north to McDowell Road on the south.—Erick Trevino, AZCentral.com, 21 Aug. 2025 See All Example Sentences for perfect square