noun
(mathematics) one of a pair of numbers whose sum is zero; the additive inverse of -5 is +5
Topics: ↑mathematics, ↑math, ↑maths
Hypernyms: ↑inverse, ↑opposite

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noun
: a number of opposite sign with respect to a given number so that addition of the two numbers gives zero

the additive inverse of 4 is -4

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Math.
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.
[1955-60]

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either of two numbers whose sum is zero. The additive inverse of +5 is ―5; the additive inverse of ―5 is +5.

Useful english dictionary. 2012.

### Look at other dictionaries:

• additive inverse — the number that must be added to a number to equal zero [−5 is the additive inverse of 5] …   English World dictionary

• Additive inverse — In mathematics, the additive inverse, or opposite, of a number a is the number that, when added to a, yields zero. The additive inverse of a is denoted −a. For example, the additive inverse of 7 is −7, because 7 + (−7) = 0, and the additive… …   Wikipedia

• additive inverse — noun The inverse with respect to addition; the opposite. The additive inverse of 12 is −12. Syn: negative, opposite …   Wiktionary

• additive inverse — noun Date: 1953 a number that when added to a given number gives zero < the additive inverse of 4 is 4 > compare opposite 3 …   New Collegiate Dictionary

• additive inverse — Math. 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. [1955 60] * * * …   Universalium

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