an aerosol spray, liquid deodorizer, or other preparation used to remove odors and freshen the air in a room.
1949, from air (n.1) + agent noun from freshen.
- Air frost
noun the deposition of ice condensed from water vapour in the atmosphere on the surface when the air temperature is below 0°C
- Air gap
Electricity. the space between two objects magnetically related, as between the rotor and the stator in a dynamo, or between two objects electrically related, as between the electrode and the tip of a spark plug. Historical Examples We want our magnet to project, as it were, its force across the greatest length of air gap. […]
- Air gas
Chemistry, . a gas composed of carbon monoxide, hydrogen, and nitrogen, obtained by passing air and steam through incandescent coke: used as an industrial fuel, in certain gas engines, and in the manufacture of ammonia. noun another name for producer gas noun a mixture of carbon monoxide and nitrogen produced by passing air over hot […]
- Air gauge
a gauge for measuring air pressure. Historical Examples Two minutes previous the old engineer had asked him to go out on the locomotive to adjust some fault in the air gauge. Ralph on the Engine Allen Chapman