Breadcrumb Home > Dictionary Search Cite Meaning of liquid air Find definitions for: liq'uid air' Pronunciation: [key] a pale blue, intensely cold liquid, obtained by the compression and cooling of air: used as a source of oxygen, nitrogen, and inert gases, and as a refrigerant. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. liquid liquidambar Related Content Daily Word Quiz: censure Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language