pyrophoric Hear it!

pyrophoric definition

pyro·phoric (pī′rə fôr′ik)

adjective

capable of igniting spontaneously when exposed to air, as certain finely divided metals

Etymology: < ModL pyrophorus (< Gr pyrophoros < pyr, fire + pherein, to bear) + -ic

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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