# absolute-value

## absolute value

noun Mathematics.
1.
Also called the magnitude of a quantity, irrespective of sign; the distance of a quantity from zero. The absolute value of a number is symbolized by two vertical lines, as |3| or |−3| is equal to 3.
2.
the square root of the sum of the squares of the real and imaginary parts of a given complex number, as |a + b i | is equal to .
Also called

Origin:
1905–10

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Based on the Random House Dictionary, © Random House, Inc. 2013.
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World English Dictionary
 absolute value —n 1. the positive real number equal to a given real but disregarding its sign. Written | x |. Where r is positive, | r | = r = | --r | 2. Also called: modulus a measure of the magnitude of a complex number, represented by the length of a line in the Argand diagram: |x + iy | = √(x² + y²), so | 4 + 3i | = 5

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American Heritage
Science Dictionary
 absolute value   The value of a number without regard to its sign. For example, the absolute value of +3 (written |+3|) and the absolute value of -3 (written |-3|) are both 3.
The American Heritage® Science Dictionary