square root

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square root:

see rootroot,
in mathematics, number or quantity r for which an equation f(r)=0 holds true, where f is some function. If f is a polynomial, r is called a root of f; for example, r=3 and r
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, in mathematics.
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square root

[′skwer ′rüt]
(mathematics)
A square root of a real or complex number s is a number t for which t 2= s.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

square root

a number or quantity that when multiplied by itself gives a given number or quantity
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005