pyrophoric
adjective Etymology: New Latin pyrophorus, from Greek pyrophoros fire-bearing, from pyr- + -phoros carrying — more at -phore Date: 1836 1. igniting spontaneously 2. emitting sparks when scratched or struck especially with steel

New Collegiate Dictionary. 2001.

Look at other dictionaries:

  • Pyrophoric — Pyr o*phor ic, Pyrophorous Py*roph o*rous, a. [Pyro + Gr. fe rein to bear.] Light producing; of or pertaining to pyrophorus. [1913 Webster] {Pyrophoric iron} (Chem.), finely reduced iron, which ignites spontaneously on contact with air. [1913… …   The Collaborative International Dictionary of English

  • pyrophoric — 1828, from Mod.L. pyrophorus, from Gk. pyrophoros, from pyro (see PYRO (Cf. pyro )) + phoros bearer, from pherein to carry (see INFER (Cf. infer)) …   Etymology dictionary

  • pyrophoric — [pī΄rə fôr′ik] adj. [< ModL pyrophorus (< Gr pyrophoros < pyr, FIRE + pherein, to BEAR1) + IC] capable of igniting spontaneously when exposed to air, as certain finely divided metals …   English World dictionary

  • pyrophoric — adjective a) spontaneously igniting in air, especially when in a finely divided state b) producing sparks, especially by friction See Also: pyro , spontaneous combustion, fire, pyrolysis …   Wiktionary

  • pyrophoric — /puy reuh fawr ik, for /, adj. Chem. capable of igniting spontaneously in air. [1830 40; < Gk pyrophór(os) fire bearing (see PYRO , PHOROUS) + IC] * * * …   Universalium

  • pyrophoric — paɪərəʊ fÉ”rɪk / fÉ’r adj. spontaneously igniting in air …   English contemporary dictionary

  • pyrophoric — [ˌpʌɪrə(ʊ) fɒrɪk] adjective 1》 liable to ignite spontaneously in air. 2》 (of an alloy) emitting sparks when scratched or struck. Origin C19: from mod. L. pyrophorus, from Gk purophoros fire bearing …   English new terms dictionary

  • pyrophoric — py·ro·phor·ic …   English syllables

  • pyrophoric — py•ro•phor•ic [[t]ˌpaɪ rəˈfɔr ɪk, ˈfɒr [/t]] adj. chem. capable of igniting spontaneously in air • Etymology: 1830–40; < Gk pyrophór(os) fire bearing …   From formal English to slang

  • pyrophoric — adj. (of a substance) liable to ignite spontaneously on exposure to air. Etymology: mod.L pyrophorus f. Gk purophoros fire bearing f. pur fire + phero bear …   Useful english dictionary

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