Air turbine
a turbine operated by air under pressure.
Historical Examples
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
noun
a small turbine driven by compressed air, esp one used as a starter for engines
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- 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.
- Air vice-marshal
an air force officer of a rank comparable to an army major general. Historical Examples “That’s right, Colonel Fraser,” the air vice-marshal replied. Dave Dawson with the R.A.F R. Sidney Bowen air vice-marshal Leman put the question with a slight frown. Dave Dawson on the Russian Front R. Sidney Bowen “For the same reason other […]