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Definition of acetylene


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a·cet·y·lene  audio  (-stl-n, -n) KEY 

NOUN:
A colorless, highly flammable or explosive gas, C2H2, used for metal welding and cutting and as an illuminant. Also called ethyne.


OTHER FORMS:
a·cety·lenic  (-stl-nk) KEY (Adjective)


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