Definition of pyrophorus in English:

pyrophorus

noun

  • 1Chemistry. A substance capable (especially in a finely divided state) of igniting spontaneously on exposure to air. Now historical.

  • 2Entomology. In form Pyrophorus. A genus of strongly luminescent fireflies of the family Elateridae, found mainly in neotropical America.

Origin

Mid 18th century; earliest use found in Philosophical Transactions of the Royal Society of London. From post-classical Latin pyrophorus or its etymon ancient Greek πυροϕόρος bearer of sacrificial fire from πυρο- + -ϕόρος.

Pronunciation

pyrophorus

/pʌɪˈrɒf(ə)rəs/