additive inverse

English

Etymology

So called because the sum of a number and its additive inverse is the additive identity.

Noun

additive inverse (plural additive inverses)

1. (mathematics) The inverse with respect to addition; the opposite.

   The additive inverse of 12 is −12.

Synonyms

• (inverse with respect to addition): negative (colloquial), opposite

See also

• additive identity
• multiplicative inverse