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additive inverse

American  

noun

Mathematics.

  1. the number in the set of real numbers that when added to a given number will yield zero.

    The additive inverse of 2 is −2.

Etymology

Origin of additive inverse

First recorded in 1955–60

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The opposite of a number is its additive inverse.

From Textbooks • Apr. 22, 2020

What is the difference between the additive inverse and the multiplicative inverse of a number?

From Textbooks • Apr. 22, 2020

We call −a. the additive inverse of a.

From Textbooks • Apr. 22, 2020

TRY IT : : 1.249 Find the additive inverse of: ⓐ 7 ⓑ 1.2 ⓒ −14 ⓓ − 9.

From Textbooks • Apr. 22, 2020

We have seen that vector addition in two dimensions satisfies the commutative, associative, and additive inverse properties.

From Textbooks • Mar. 30, 2016

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.