| pyrophorus | <chemistry> 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. Origin: NL. See Pyrophorous. Source: Websters Dictionary (01 Mar 1998) |
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| pyrophorus | tropical click beetles |
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| pyrophorus | tropical American click beetle having bright luminous spots |
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