a turbine operated by air under pressure.
It is instantly speeded up either by a powerful spring or an air turbine to about fifteen thousand revolutions per minute.
The Submarine in War and Peace Simon Lake
a small turbine driven by compressed air, esp one used as a starter for engines
- Air twist
a serpentine motif within the stem of a goblet, produced by extending and twisting an air bubble during glass blowing.
- Air valve
a device for controlling the flow of air, as from a pipe or tank. Historical Examples The two then thoroughly mix and enter the combustion chamber together as the air valve F is opened. Gas and Oil Engines, Simply Explained Walter C. Runciman In the cab ahead the handle of the air valve was slammed […]
- Air varie
a melody with variations.
- Air vesicle
a large, air-filled pocket, chiefly in plants that float on water, as kelps. noun a large air-filled intercellular space in some aquatic plants a large intercellular space in a leaf into which a stoma opens air vesicle See float.