The Collaborative International Dictionary
tricarbimide
Cyanuric acid \Cyanuric acid\ (Chem.), an organic acid, C3O3N3H3, first obtained by heating uric acid or urea, and called pyrouric acid; afterwards obtained from isocyanic acid. It is a white crystalline substance, odorless and almost tasteless; -- called also tricarbimide.
Wiktionary
tricarbimide
n. (context chemistry English) solid cyanuric acid