am·ide 
(ămīd′, -ĭd)
(ămīd′, -ĭd)n.
1. An organic compound, such as acetamide, containing the CONH2 group.
2. The anion of ammonia, NH2- or a compound containing this anion, such as sodium amide, NaNH2.
[AM(MONIA) + -IDE.]
a·midic (ə-mĭdĭk, ă-mĭd-) adj.