pyrophoric alloy
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pyrophoric alloy — noun an alloy that emits sparks when struck or scratched with steel; used in lighter flints • Hypernyms: ↑alloy, ↑metal • Hyponyms: ↑ferrocerium, ↑misch metal * * * noun : an alloy (as ferrocerium) that has the property of emitting sparks when… … Useful english dictionary
pyrophoric alloy — /paɪroʊˌfɒrɪk ˈælɔɪ/ (say puyroh.forik aloy) noun an alloy which is spontaneously flammable, and used in automatic lighters …
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 — [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
ferrocerium — noun a pyrophoric alloy of iron with cerium; used for lighter flints • Hypernyms: ↑pyrophoric alloy * * * |fe(ˌ)rō+ noun Etymology: New Latin, from ferro + cerium : a crude iron alloy containing a high percentage of cerium and used for flints in… … Useful english dictionary
Lanthanum — (pronEng|ˈlænθənəm) is a chemical element with the symbol La and atomic number 57. Characteristics Lanthanum is a silvery white metallic element that belongs to group 3 of the periodic table and is a lanthanoid. Found in some rare earth minerals … Wikipedia
misch metal — /mish/ a pyrophoric alloy, containing approximately 50 percent cerium and 45 percent lanthanum, made from a mixture of various rare earth chlorides by electrolysis. [1920 25; < G Mischmetall, equiv. to misch(en) to MIX + Metall METAL] * * * ▪… … Universalium
ferrocerium — noun A pyrophoric alloy of iron and cerium that is used to make the flints for cigarette lighters … Wiktionary
Depleted uranium — The DU penetrator of a 30 mm round[1] Depleted uranium (DU; also referred to in the past as Q metal, depletalloy, or D 38) is uranium with a lower content of the fissile isotope U 235 than natural uranium (natural uranium is about 99.27% uranium… … Wikipedia
Caesium — xenon ← caesium → barium Rb ↑ Cs ↓ Fr … Wikipedia
