py·ro·phor·ic /ˌpaɪrəˈfɔrɪk, ˈfɑr-/ 起火
Pyr·o·phor·ic Py·roph·o·rous a. Light-producing; of or pertaining to pyrophorus. Pyrophoric iron Chem., finely reduced iron, which ignites spontaneously on contact with air. ◄ ►