pyrophoric


py·ro·phor·ic

P0689500 (pī′rə-fôr′ĭk)adj.1. Spontaneously igniting in air.2. Producing sparks by friction.
[From pyrophorus, substance that ignites spontaneously : from Greek purophoros, fire-bearing : puro-, pyro- + -phoros, -phorous.]

pyrophoric

(ˌpaɪrəʊˈfɒrɪk) or

pyrophorous

adj1. (Chemistry) (of a chemical) igniting spontaneously on contact with air2. (General Physics) (of an alloy) producing sparks when struck or scraped: lighter flints are made of pyrophoric alloy. [C19: from New Latin pyrophorus, from Greek purophoros fire-bearing, from pur fire + pherein to bear]

py•ro•phor•ic

(ˌpaɪ rəˈfɔr ɪk, -ˈfɒr-)

adj. capable of igniting spontaneously in air. [1830–40; < Greek pyrophór(os) fire-bearing]
Translations
pyrophorique