square root


square root
noun
a number that when multiplied by itself equals a given number (Freq. 1)
Hypernyms: ↑root

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noun
: a factor of a number that when squared gives the number

either +3 or -3 is the square root of 9

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a quantity of which a given quantity is the square: The quantities +6 and -6 are square roots of 36 since (+6)×(+6)=36 and (-6)×(-6)=36.
[1550-60]

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square root noun
A number or quantity which being multiplied by itself produces the quantity in question, eg 3 is the square root of 9
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Main Entry:square

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square root UK US noun [countable] [singular square root plural square roots] maths
a number that you multiply by itself to produce a particular number. For example, the square root of 9 is 3.
Thesaurus: numbers and types of numberhyponym

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square root,
a number that produces a given number when multiplied by itself: »

The square root of 16 is 4. The genius of William Hamilton sought the square root of minus one (Walter de la Mare).

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n. a number that produces a specified quantity when multiplied by itself

7 is a square root of 49

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noun, pl ⋯ roots [count]
mathematics : a number that produces a specified number when it is multiplied by itself

The square root of 9 is 3.

— compare cube root

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ˌsquare ˈroot [square root] noun (mathematics)
a number which when multiplied by itself produces a particular number

The square root of 64 (√64) is 8 (8 × 8 = 64).


Useful english dictionary. 2012.

Look at other dictionaries:

  • square root — n the square root of a number is the number which, when multiplied by itself, equals that number square root of ▪ The square root of nine is three …   Dictionary of contemporary English

  • square root — square roots N COUNT: usu N of num The square root of a number is another number which produces the first number when it is multiplied by itself. For example, the square root of 16 is 4 …   English dictionary

  • square root — noun count a number that you multiply by itself to produce a particular number. For example, the square root of 9 is 3 …   Usage of the words and phrases in modern English

  • square root — n. the number or quantity which when squared will produce a given number or quantity [3 is the square root of 9] …   English World dictionary

  • square root — square′ root′ n. math. 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[/ex] • Etymology: 1550–60 …   From formal English to slang

  • square root — ► NOUN ▪ a number which produces a specified quantity when multiplied by itself …   English terms dictionary

  • Square root — Measured fall time of a small steel sphere falling from various heights. The data is in good agreement with the predicted fall time of , where h is the height and g is the acceleration of gravity. In mathematics, a square root of a number x is a… …   Wikipedia

  • Square root of 2 — The square root of 2, also known as Pythagoras constant, often denoted by:sqrt{2} or √2but can also be written as:2^{1/2},,is the positive real number that, when multiplied by itself, gives the number 2. Its numerical value approximated to 65… …   Wikipedia

  • Square root of 5 — The square root of 5 is the positive real number that, when multiplied by itself, gives the prime number 5. This number appears in the formula for the golden ratio. It can be denoted in surd form as::sqrt{5}.It is an irrational algebraic number.… …   Wikipedia

  • Square root of 3 — List of numbers – Irrational and suspected irrational numbers γ – ζ(3) – √2 – √3 – √5 – φ – ρ – δS – α – e – π – δ Binary 1.1011101101100111101... Decimal …   Wikipedia