Pyrophoric
Pronunciation : Pyr`o*phor"ic, Py*roph"o*rous
Part of Speech : a.
Etymology : [Pyro- + Gr.
Definition : Defn: Light-producing; of or pertaining to pyrophorus. Pyrophoric iron (Chem.), finely reduced iron, which ignites spontaneously on contact with air.
Source : Webster's Unabridged Dictionary, 1913