Imide

[Sarah]

A compound with, or derivative of, the imido group; specif., acompound of one or more acid radicals with the imido group, or with amonamine; hence, also, a derivative of ammonia, in which two atoms ofhydrogen have been replaced by divalent basic or acid radicals; --frequently used as a combining form; as, succinimide.

[Gregory]

[Amide] but with one more carbonyl group. It is [not basic] and if the [nitrogen] is bonded to H, even sodium hydroxide can deprotonate it.

[Couch Potatoe]

An organic compound containing the group —CONHCO—, related to ammonia by replacement of two hydrogen atoms by acyl groups.