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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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 sp-ce in some aquatic plants a large intercellular sp-ce 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 […]
- Air walk
a p-ssageway connecting two structures well above the ground, usually made of transparent material.