We found 3 definitions of impellers from 2 different sources.
NounPlural: impellers |
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impeller - the blade of a rotor (as in the compressor of a jet engine) | ||
vane, blade the flattened weblike part of a feather consisting of a series of barbs on either side of the shaft | ||
rotor rotating mechanism consisting of an assembly of rotating airfoils; "there are horizontal rotors on a helicopter or compressor rotors in a jet engine" |