Dictionary.com

pyrophoric

[ pahy-ruh-fawr-ik, -for- ]
/ ˌpaɪ rəˈfɔr ɪk, -ˈfɒr- /
Save This Word!

adjective Chemistry.
capable of igniting spontaneously in air.
QUIZ
SHALL WE PLAY A "SHALL" VS. "SHOULD" CHALLENGE?
Should you take this quiz on “shall” versus “should”? It should prove to be a quick challenge!
Question 1 of 6
Which form is used to state an obligation or duty someone has?

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. 2022

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
FEEDBACK