# additive inverse

Definition from Wiktionary, the free dictionary

## English[edit]

### Etymology[edit]

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

### Noun[edit]

**additive inverse** (*plural* **additive inverses**)

- (mathematics) The inverse with respect to addition; the opposite.
*The*additive inverse*of 12 is −12.*