additive inverse

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

• (UK) IPA^(key): /ˌæd.ɪ.tɪv ˈɪn.vɜːs/
• (US) IPA^(key): /ˌæd.ə.t̬ɪv ˈɪn.vɝːs/

additive inverse (plural additive inverses)

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   English Wikipedia has an article on:

   additive inverse

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

   The additive inverse of 12 is −12.

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

• additive identity
• multiplicative inverse