Pyrophoric definitions

pī'rə-fôr'ĭk
Spontaneously igniting in air.
adjective
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Producing sparks by friction.
adjective
16
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Capable of igniting spontaneously when exposed to air, as certain finely divided metals.
adjective
7
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Spontaneously igniting in air, especially when in a finely divided state.
adjective
0
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Producing sparks, especially by friction.
adjective
0
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(fire investigation) Able to oxidize with exposure to atmospheric oxygen at normal temperatures.
adjective
0
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Origin of pyrophoric

From pyrophorus substance that ignites spontaneously from Greek purophoros fire-bearing puro- pyro- -phoros -phorous