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rotor
Definitions
[ˈrəʊtə], (Noun)
Definitions:
- a hub with a number of radiating aerofoils that is rotated in an approximately horizontal plane to provide the lift for a helicopter or other rotary wing aircraft
- the rotating assembly in a turbine
- a large eddy in which the air circulates about a horizontal axis, especially in the lee of a mountain
(e.g: a rotor cloud)
Phrases:
Origin
:
late 19th century: formed irregularly from rotator
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definition by Oxford Dictionaries