\Im"ide\, n. (Chem.)
A compound with, or derivative of, the imido group; specif.,
a compound of one or more acid radicals with the imido group,
or with a monamine; hence, also, a derivative of ammonia, in
which two atoms of hydrogen have been replaced by divalent
basic or acid radicals; -- frequently used as a combining
form; as, succinimide.