azodicarbonamide noun1 •An organic chemical, a yellow to orange red, odorless, crystalline powder, used in food industry as a food additive, flour bleaching agent and improving agent, and in foaming plastics.To protest the sandwich chain’s use of azodicarbonamide in its bread, Ms. Hari posted a video of herself chewing another item in which the chemical is found: a yoga mat. — 2015 formsazodicarbonamides