'Pyrophorus' definitions:

Definition of 'Pyrophorus'

(from WordNet)
noun
Tropical click beetles [syn: Pyrophorus, genus Pyrophorus]

Definition of 'Pyrophorus'

From: GCIDE
  • Pyrophorus \Py*roph"o*rus\, n. [NL. See Pyrophorous.] (Old Chem.) Any one of several substances or mixtures which phosphoresce or ignite spontaneously on exposure to air, as a heated mixture of alum, potash, and charcoal, or a mixture of charcoal and finely divided lead. [1913 Webster]