Air curtain
.
a strong current of temperature-controlled air in an entryway, used instead of a door.
historical examples
the big man with the tiny child on his shoulder pushed through the air curtain that kept the warm humid air out of the shop.
anything you can do … gordon randall garrett
opposite the air curtain was a huge sliding door, closed at the moment, which probably led to a freight elevator.
unwise child gordon randall garrett
noun
an air stream across a doorway to exclude draughts, etc
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a cylinder containing air, especially one equipped with a piston and used as a device for checking the recoil of a gun. historical examples the air cylinder was water-jacketed with salt water supplied from the circulating water pumps. transactions of the american society of civil engineers, vol. lxviii, sept. 1910 b. h. m. hewett the […]
- Air dam
a spoiler mounted at the front of an automobile to reduce air flow on the underside of the ch-ssis to increase stability. noun any device, such as a spoiler, that reduces air resistance and increases the stability of a car, aircraft, etc
- Airdate
the date of a broadcast or scheduled broadcast.