tricarbimide

from The Collaborative International Dictionary of English v.0.48

Tricarbimide \Tri*car"bi*mide\, n. [Pref. tri- + carbimide.]
   (Chem.)
   See under {Cyanuric}.
   [1913 Webster]

from The Collaborative International Dictionary of English v.0.48

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}.
   [1913 Webster]