# absolute value

### noun Mathematics.

Also called numerical value. 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.

the square root of the sum of the squares of the real and imaginary parts of a given complex number, as |a + bi| is equal to .

## QUIZZES

#### DO YOU KNOW THIS VOCABULARY FROM "THE HANDMAID'S TALE"?

"The Handmaid's Tale" was required reading for many of us in school. Everyone else has probably watched the very popular and addictive TV show. Do you remember this vocabulary from the book, and do you know what these terms mean?

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decorum

Also called modulus.

## Origin of absolute value

First recorded in 1905–10

## Words nearby absolute value

Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

## British Dictionary definitions for absolute value

absolute value

### noun maths

the positive real number equal to a given real but disregarding its sign. Written | x |. Where r is positive, | r | = r = | – r |

Also called: modulus a measure of the magnitude of a complex number, represented by the length of a line in the Argand diagram: | x + i y | = √(x ² + y ²), so | 4 + 3i | = 5

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

## Scientific definitions for absolute value

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
Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.