[ ok-see-uh-set-l-een, -in ]
/ ˌɒk si əˈsɛt lˌin, -ɪn /


noting or pertaining to a mixture of oxygen and acetylene: an oxyacetylene torch.


a mixture of oxygen and acetylene, used in a blowtorch for cutting steel plates or the like.

Origin of oxyacetylene

First recorded in 1905–10; oxy-2 + acetylene
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for oxyacetylene

  • Oxyacetylene equipment has found application, owing to its portability.

    Artificial Light|M. Luckiesh
  • The oxyacetylene flame is concentrated upon a small pellet of ceria, which provides a brilliant source of small dimensions.

    Artificial Light|M. Luckiesh
  • Hotter even than oxyhydrogen is the oxyacetylene flame, which at its hottest point reaches nearly 3500 C.

  • But if the heat be applied by the oxyacetylene flame that will not happen.

British Dictionary definitions for oxyacetylene


/ (ˌɒksɪəˈsɛtɪˌliːn) /


  1. a mixture of oxygen and acetylene; used in a blowpipe for cutting or welding metals at high temperatures
  2. (as modifier)an oxyacetylene burner
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012