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91air mattress — air′ mat tress n. cvb a mattress, usu. of plastic or rubber, that can be inflated for use and deflated for storage • Etymology: 1925–30 …
92air power — air′ pow er n. mil the total military capability of a nation for operations involving the use of aircraft and missiles • Etymology: 1905–10 …
93Air transports of heads of state and government — Some nations maintain one or more special aircraft to transport their heads of state and government. One in particular has been immortalised in popular culture: Air Force One, used by the President of the United States and operated by the United… …
94Air 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… …
95Air traffic control — For the Canadian musical group, see Air Traffic Control (band). Airport Traffic Control Towers (ATCTs) at Amsterdam s Schiphol Airport, the Netherlands …
96air-cushion machine — ▪ vehicle Introduction also called ground effect machine, or hovercraft, any of the machines characterized by movement in which a significant portion of the weight is supported by forces arising from air pressures developed around the… …
97Air 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.… …
98Air transport and the environment (United Kingdom) — Increasing demand for air travel in the UK has resulted in a conflict between the desire to cater for that demand and the environmental consequences of doing so. In the past 25 years the UK air transport industry has seen sustained growth, and… …
99Air mattress — An air mattress is an inflatable mattress/sleeping pad. [ [http://wordnet.princeton.edu/perl/webwn?s=air%20mattress Air mattress] (definition on Princeton WordNet. Accessed 2008 08 10.)] Due to its buoyancy, it is also often used as a toy… …
100Air purifier — An air purifier is a device which removes contaminants from air. Air purifiers are commonly marketed as being particularly beneficial to allergy sufferers and asthmatics, and at reducing second hand tobacco smoke. Use of purifiers Dust, pollen,… …
