oxyacetylene

adjective

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

noun

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

noun

1. 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