First Known Use: 1836
Dictionary
pyrophoric
adjective py·ro·phor·ic \ˌpī-rə-ˈfȯr-ik, -ˈfär-\
Definition of PYROPHORIC
1
: igniting spontaneously
2
: emitting sparks when scratched or struck especially with steel
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Origin of PYROPHORIC
New Latin pyrophorus, from Greek pyrophoros fire-bearing, from pyr- + -phoros carrying — more at -phore
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