• (n.) Any compound containing two amido groups united with one or more acid or negative radicals, -- as distinguished from a diamine. Cf. Amido acid, under Amido, and Acid amide, under Amide.
Di·am'ide noun [ Prefix di- + amide .] (Chemistry) Any compound containing two amido groups united with one or more acid or negative radicals, -- as distinguished from a diamine. Confer Amido acid , under Amido , and Acid amide , under Amide . 
Type: Term Pronunciation: dī′am-id, -īd Definitions: 1. A compound containing two amide groups.
a compound containing two amide groups.