noun \ə-ˈset-əl-ən, -əl-ˌēn\

Definition of ACETYLENE

: a colorless gaseous hydrocarbon HC≡CH made especially by the action of water on calcium carbide and used chiefly in organic synthesis and as a fuel (as in welding and soldering)—called also ethyne
acet·y·le·nic \ə-ˌset-əl-ˈē-nik, -ˈen-ik\ adjective

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