square root

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square root

A divisor of a quantity that when squared gives the quantity. For example, the square roots of 25 are 5 and -5 because 5 × 5 = 25 and (-5) × (-5) = 25.

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

square root

(Mathematics) a number or quantity that when multiplied by itself gives a given number or quantity: 2 is a square root of 4, usually written √4 or 4^1/2.

Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

square′ root′

a quantity of which a given quantity is the square: The quantities + 6 and −6 are square roots of 36 since (+ 6)x(+ 6)=36 and (−6)x(−6)=36.

[1550–60]

square root

A number that, when squared, yields a given number. For example, since 5 × 5 = 25, the square root of 25 (written √25) is 5.

The American Heritage® Student Science Dictionary, Second Edition. Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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Noun

square root - a number that when multiplied by itself equals a given number

root - a number that, when multiplied by itself some number of times, equals a given number

Translations

جَذر تَرْبيعي

druhá odmocninakořen mocniny

kvadratrod

Quadratwurzel Wurzel

neliöjuuri

racine carrée

négyzetgyök

kvaðratrótkvaîratrót

radice quadrata

wortel

kvadratrot

druhá odmocninakoreň mocniny

kvadratrot

kare kök

căn bậc hai

平方根

square root

n → radice f quadrata

Collins Italian Dictionary 1st Edition © HarperCollins Publishers 1995

square

(skweə) noun

1. a four-sided two-dimensional figure with all sides equal in length and all angles right angles.

2. something in the shape of this.

3. an open place in a town, with the buildings round it.

4. the resulting number when a number is multiplied by itself. 3  3, or 3² = 9, so 9 is the square of 3.

adjective

1. having the shape of a square or right angle. I need a square piece of paper; He has a short, square body / a square chin.

2. (of business dealings, scores in games etc) level, even, fairly balanced etc. If I pay you an extra $5 shall we be (all) square?; Their scores are (all) square (= equal).

3. measuring a particular amount on all four sides. This piece of wood is two metres square.

4. old-fashioned. square ideas about clothes.

adverb

1. at right angles, or in a square shape. The carpet is not cut square with the corner.

2. firmly and directly. She hit him square on the point of the chin.

verb

1. to give a square shape to or make square.

2. to settle, pay etc (an account, debt etc). I must square my account with you.

3. to (cause to) fit or agree. His story doesn't square with the facts.

4. to multiply a number by itself. Two squared is four.

squared adjective

1. marked or ruled with squares. squared paper.

2. having been squared.

ˈsquarely adverb

directly and firmly. He stood squarely in front of me; She looked squarely at me.

square centimetre/metre etc (often abbreviated to cm², *m²etc when written)

an area equal to a square in which each side is one centimetre, metre etc. If the door is 3 metres high and 1.5 metres wide, its area is 4.5 square metres.

square root

the number which, multiplied by itself, gives the number that is being considered. The square root of 16 is 4 ( 16 = 4).

fair and square

directly. He hit him fair and square on the nose.

go back to square one

to start all over again.

a square deal

a fair bargain; fair treatment.

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