if liquefied air
1Air gun — Air rifle and Air pistol redirect here. For other uses, see Air gun (disambiguation) An air gun (air rifle or air pistol) is a rifle or pistol which fires projectiles by means of compressed air or other gas, (in contrast to a firearm which uses… …
2Air pollution dispersion terminology — describes the words and technical terms that have a special meaning to those who work in the field of air pollution dispersion modeling. Governmental environmental protection agencies (local, state, province and national) of many countries have… …
3Liquefied petroleum gas — (also called LPG, GPL, LP Gas, or liquid propane gas) is a flammable mixture of hydrocarbon gases used as a fuel in heating appliances and vehicles. It is increasingly used as an aerosol propellant and a refrigerant, replacing chlorofluorocarbons …
4Liquefied natural gas — Not to be confused with Natural Gas Liquids (NGL). Liquefied natural gas or LNG is natural gas (primarily methane, CH4) that has been converted to liquid form for ease of storage or transport. Liquefied natural gas takes up about 1/600th the… …
5Air conditioner — For general aspects of air conditioning, see Air conditioning. A typical home air conditioning unit. An air conditioner (often referred to as AC) is a home appliance, system, or mechanism designed to dehumidify and extract heat from an area. The… …
6Air conditioning — The term air conditioning refers to the cooling and dehumidification of indoor air for thermal comfort. In a broader sense, the term can refer to any form of cooling, heating, ventilation or disinfection that modifies the condition of air.… …
7air — 1. A mixture of odorless gases found in the atmosphere in the following approximate percentages by volume after water vapor has been removed: oxygen, 20.95; nitrogen, 78.08; argon 0.93; carbon dioxide, 0.03; other gases, 0.01. Formerly used to …
8liquid air — air liquefied by great pressure; on evaporation it produces intense cold. Liquid air has been used to produce local anesthesia, to treat neuralgia and herpes zoster, and as a source of oxygen for medical use …
9liquid air — Air that has been liquefied by cooling it below the freezing point of both oxygen and nitrogen. Its boiling point is approximately −195°C (−319°F). It is slightly bluish and transparent in appearance …
10Hot air balloon — This article is about hot air balloons themselves. For the associated activity, see hot air ballooning. For the rock opera, see Hot Air Balloon (rock opera). For the song, see Hot Air Balloon (song). Hot air balloon in flight …
