A transparent limpid liquid, slightly blue in color, consisting of a mixture of liquefied oxygen and nitrogen. It is prepared by subjecting air to great pressure and then cooling it by its own expansion to a temperature below the boiling point of its constituents (N -194¡ C; O -183¡ C.).
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). liquid air. Retrieved September 24, 2026, from http://smartdefine.org/liquid_air/definitions/2028199 |
| Chicago | Webster's. 2011. "liquid air" http://smartdefine.org/liquid_air/definitions/2028199 (accessed September 24, 2026). |
| Harvard | Webster's 2011, liquid air, Smart Define, viewed 24 September, 2026, <http://smartdefine.org/liquid_air/definitions/2028199>. |
| MLA | Webster's. "liquid air" 27 May 2011. Web. 24 September 2026. <http://smartdefine.org/liquid_air/definitions/2028199> |