From Longman Dictionary of Contemporary Englishoxyacetyleneox‧y‧a‧cet‧y‧lene /ˌɒksiəˈsetəliːn◂ $ ˌɑːksiəˈsetl-iːn◂, -ən◂/ noun [uncountable] technical TIHCa mixture of oxygen and acetylene that produces a hot white flame that can cut steel
Examples from the Corpus
oxyacetylene• There are such things as oxyacetylene torches, you know.• In a nearby bush a defunct oxyacetylene cutter attracted the attention of a passing stoat.Origin oxyacetylene (1900-2000) oxygen + acetylene 