The Collaborative International Dictionary
Pyrophorous
Pyrophoric \Pyr`o*phor"ic\, Pyrophorous \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.
Wiktionary
pyrophorous
a. 1 (context archaic English) light-producing 2 (context archaic English) of or relating to pyrophorus
Usage examples of "pyrophorous".
Inside the sparking plug they fixed a toothed firing wheel and a long pyrophorous rod with a microfeed mechanism.