magic square

noun
a square containing integers arranged in an equal number of rows and columns so that the sum of the integers in any row, column, or diagonal is the same.

Origin:
1695–1705

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Collins
World English Dictionary
magic square
 
n
a square array of rows of integers arranged so that the sum of the integers is the same when taken vertically, horizontally, or diagonally

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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American Heritage
Science Dictionary
magic square  


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A square that contains numbers arranged in equal rows and columns such that the sum of each row, column, and sometimes diagonal is the same.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Encyclopedia Britannica
Encyclopedia

magic square

square matrix often divided into cells, filled with numbers or letters in particular arrangements that were once thought to have special, magical properties. Originally used as religious symbols, they later became protective charms or tools for divination; and finally, when the original meanings were lost, people considered them mere curiosities or puzzles-except for some Western mathematicians who continue to study them as problems in number theory.

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Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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Example sentences
There is a formula to figure out the magic constant for an n x n magic square.
From magic square puzzles to measuring wind speed, these math mysteries span through the math standards.
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