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单词 pyrophoric
释义

pyrophoric

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

adjective Chemistry.

capable of igniting spontaneously in air.

Origin of pyrophoric

1780–90; <Greek pyrophór(os) fire-bearing (see pyro-, -phorous) + -ic

Words nearby pyrophoric

pyromucic aldehyde, pyrone, pyronine, pyrope, pyrophobia, pyrophoric, pyrophosphatase, pyrophosphate, pyrophosphoric acid, pyrophotometer, pyrophyllite
Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for pyrophoric

  • These two combustibles are in such a state of division, that the residuum is pyrophoric.

    A Dictionary of Arts, Manufactures and Mines|Andrew Ure

  • The residuum of the distillation is pyrophoric and frequently inflames spontaneously, on exposure to the air.

    Cooley's Cyclopdia of Practical Receipts and Collateral Information in the Arts, Manufactures, Professions, and Trades..., Sixth Edition, Volume I|Arnold Cooley

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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更新时间：2025/2/24 21:30:20