• Webster's Revised Unabridged Dictionary
    • n Succinimide (Chem) A white crystalline nitrogenous substance, C2H4.(CO)2.NH, obtained by treating succinic anhydride with ammonia gas. It is a typical imido acid, and forms a series of salts. See Imido acid, under Imido.
    • ***
Century Dictionary and Cyclopedia
    • n succinimide A colorless compound prepared by the action of gaseous ammonia or succinic anhydrid. It crystallizes in rhombic octahedral plates, melts at 125–126° C., and boils at 287–288° C.
    • ***