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pyrophoric

[ pahy-ruh-fawr-ik, -for- ]
/ ˌpaɪ rəˈfɔr ɪk, -ˈfɒr- /
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adjective Chemistry.

capable of igniting spontaneously in air.

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Origin of pyrophoric

1780–90; <Greek pyrophór(os) fire-bearing (see pyro-, -phorous) + -ic
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

How to use pyrophoric in a sentence

British Dictionary definitions for pyrophoric

pyrophoric
/ (ˌpaɪrəʊˈfɒrɪk) /

adjective

(of a chemical) igniting spontaneously on contact with air
(of an alloy) producing sparks when struck or scrapedlighter flints are made of pyrophoric alloy

Word Origin for pyrophoric

C19: from New Latin pyrophorus, from Greek purophoros fire-bearing, from pur fire + pherein to bear
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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