From Longman Dictionary of Contemporary Englishacetylenea‧cet‧y‧lene /əˈsetəliːn $ -tl-ən, -iːn/ noun [uncountable] HCCa gas which burns with a bright flame and is used in equipment for cutting and joining pieces of metal → oxyacetylene
Examples from the Corpus
acetylene• Oh, and the hospital exploded, like an acetylene torch, in tongues of fire.• It was originally an acetylene light but was converted to propane gas operation in 1963.• There are also several vehicles cut up by acetylene equipment and dumped in a pond.• Later firemen tackling the blaze were in danger from exploding canisters of acetylene and propane.• Cylinders of acetylene were believed to have gone up in what was originally reported as a simple barn fire.• As a 10-year-old kid Pauline used a stolen acetylene torch to decapitate the globe of a gumball machine.Origin acetylene (1800-1900) acetyl chemical group ((19-21 centuries)), from acet-; ACETAMINOPHEN