pyrophorus

noun py·roph·o·rus \pīˈräfərəs\

Definition of pyrophorus

  1. 1 plural pyrophori :  any of several substances or mixtures (as a carbonized mixture of alum and sugar, or finely divided lead or iron) that ignite spontaneously on exposure to air

  2. 2 capitalized :  a genus of large tropical American beetles (family Elateridae) bearing a pair of large luminous organs on the prothorax — see fire beetle

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Origin and Etymology of pyrophorus

New Latin, from Greek pyrophoros fire-bearing, from pyr- + -phoros -phorous


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