a member of an .
- 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 […]
- Air cushion
an inflatable, airtight cushion. (def 2). an air bag. Historical Examples Politeness is like an air cushion: there may be nothing in it, but it eases our jolts wonderfully. The Man Who Pleases and the Woman Who Charms John A. Cone I don’t know whether someone punctured an air cushion just then, or whether it […]
- Air cushion vehicle
- Air cylinder
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 […]