additive inverse
nounUK /ˌæd.ɪ.tɪv ˈɪn.vɜːs/ · US /ˌæd.ə.t̬ɪv ˈɪn.vɝːs/
Etymology So-called because the sum of a number and its additive inverse is the additive identity.
1
Mathematics, Sciences The inverse with respect to addition; the opposite.
- The additive inverse of 12 is −12.
- Related terms
- additive identity, multiplicative inverse