| air a. |
a type of MICROABRASION in which a jet of air blows tiny particles against the tooth or cavity surface.
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| air b. |
the therapeutic exposure of the body to air, which is usually warm.
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| air c. |
1. any minute bodily chamber filled with air, such as an alveolus of the lung. 2. a cavity containing air and surrounded by a bodily structure, usually one of the bones of the head, such as an ethmoidal air cell, mastoid air cell, or tubal air cell.
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| air c.’s of auditory tube |
cellulae pneumaticae tubae auditivae.
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| air conditioner l. |
humidifier l.
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| air | the atmosphere above a nation and deemed to be under its jurisdiction |
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| air | the speed of an aircraft relative to the air in which it is flying |
| air | the flow of air that is driven backwards by an aircraft propeller |
| air | a relatively well-defined prevailing wind |
| air | an airfield without normal airport facilities |
| air | channel into a new direction |
| air | not allowing air or gas to pass in or out |
| air | having no weak points |
| air | medium for radio and television broadcasting |
| air | a commercial enterprise that provides scheduled flights for passengers |
| air | a duct that provides ventilation as in mines |
| air | a designated route followed by airplanes in flying from one airport to another |
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