Entry 1 sense Webster, 1913

Pyrophoric

· Pyr·o·phor·ic · IPA /ˌpaɪ.ɹəʊˈfɔː.ɹɪk/

01 a. Light-producing; of or pertaining to pyrophorus.

Phrases & compounds

Pyrophoric iron — finely reduced iron, which ignites spontaneously on contact with air.