/ Dictionary / Index O oxygen lance: Meaning and Definition of Find definitions for: ox'ygen lance" Pronunciation: [key] a tube for conveying oxygen, used in various thermal cutting or steelmaking operations. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. oxygenize oxygen mask Related Content Daily Word Quiz: dissonant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language