perfect square

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noun Mathematics.

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

a polynomial that is the square of another polynomial.

QUIZ

ARE YOU A TRUE BLUE CHAMPION OF THESE "BLUE" SYNONYMS?

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Question 1 of 8

Which of the following words describes “sky blue”?

navy

beryl

azure

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Origin of perfect square

First recorded in 1935–40

Words nearby perfect square

perfector press, perfect participle, perfect pitch, perfect progressive, perfect rhyme, perfect square, perfect stage, perfect storm, perfervid, perfidious, perfidy

How to use perfect square in a sentence

First, the Low-Pro 3 folds in half to become a perfect square when it’s on my roof, saving me valuable rack space that I can use for vehicle recovery gear or Pelican storage boxes.
The Gear Our Editors Loved in April|The Editors|May 3, 2021|Outside Online
Last week, you first saw that for some perfect squares, when you removed the last digit, you got another perfect square.
Can You Solve March Mathness?|Zach Wissner-Gross (riddlercolumn@gmail.com)|March 26, 2021|FiveThirtyEight
For some perfect squares, when you remove the last digit, you get another perfect square.
Can You Find An Extra Perfect Square?|Zach Wissner-Gross|March 19, 2021|FiveThirtyEight
Estee Lauder has not crumbled to dust because the perfect brown face of Joan Smalls represents it.
One Vogue Cover Doesn’t Solve Fashion’s Big Race Problem|Danielle Belton|January 2, 2015|DAILY BEAST

The Perfect Storm writer talks combat brotherhood and the threat posed by growing wealth inequality.
Sebastian Junger on War, Loss, and a Divided America|The Daily Beast Video|January 1, 2015|DAILY BEAST
Some longtime local acquaintances are struggling to square the man they know with the ugly associations.
No. 3 Republican Admits Talking to White Supremacist Conference|Tim Mak|December 30, 2014|DAILY BEAST
So perfect that we wonder if we should risk ruining it by asking for yet another take.
‘The Comeback’ Finale: Give Lisa Kudrow All of the Awards|Kevin Fallon|December 29, 2014|DAILY BEAST
The Oscar-winning actress put nude photo thieves in their place with one perfect statement.
Jennifer Lawrence’s Righteous Fury Says Everything We Wanted to Say|Kevin O’Keeffe|December 29, 2014|DAILY BEAST
The afternoon was a lovely one—the day was a perfect example of the mellowest mood of autumn.
Confidence|Henry James
In the most perfect stillness, we arrived within two hundred paces of the enemy's camp.
Blackwood's Edinburgh Magazine, No. CCCXXXIX. January, 1844. Vol. LV.|Various
Nowhere can be found a region capable of supporting a larger population to the square mile than Lombardy.
Glances at Europe|Horace Greeley
But if the Bible was written by men, some of them more or less inspired, then it would not, in all probability be wholly perfect.
God and my Neighbour|Robert Blatchford
Even genius, however, needs direction and adjustment to secure the most perfect and reliable results.
Expressive Voice Culture|Jessie Eldridge Southwick