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