pyrophoric alloy

English Thesaurus

1. an alloy that emits sparks when struck or scratched with steel; used in lighter flints (noun.substance)

hypernym	:	alloy, metal,
definition	:	a mixture containing two or more metallic elements or metallic and nonmetallic elements usually fused together or dissolving into each other when molten (noun.substance)

hyponym	:	ferrocerium,
definition	:	a pyrophoric alloy of iron with cerium; used for lighter flints (noun.substance)

hyponym	:	misch metal,
definition	:	a pyrophoric alloy made from a mixture of rare-earth metals (noun.substance)