/ Dictionary / Index O oxyacetylene: Meaning and Definition of Find definitions for: ox•y•a•cet•y•lene Pronunciation: (ok"sē-u-set'l-ēn", -in), [key] — adj. noting or pertaining to a mixture of oxygen and acetylene: an oxyacetylene torch. —n. a mixture of oxygen and acetylene, used in a blowtorch for cutting steel plates or the like. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: oxyacetylene (Thesaurus) oxy- oxyacid Related Content Daily Word Quiz: candor Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language