Definition of impeller
1 : one that impels
2a : a rotor located in a conduit to impart motion to a fluidb : a blade of a rotor
Recent Examples of impeller from the Web
The one-man hovercraft's 13-inch impeller keeps the fiberglass skimmer 4 inches above the ground and moving as fast as 16 mph.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'impeller'. Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
First Known Use of impeller
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