impeller vs blade

blade vs impeller

impeller and blade both are nouns.

Word	Noun	Adjective	Verb	Adverb
impeller	Yes	No	No	No
blade	Yes	No	No	No

As nouns, blade is a hypernym of impeller; that is, blade is a word with a broader meaning than impeller:

impeller: the blade of a rotor (as in the compressor of a jet engine)
blade: flat surface that rotates and pushes against air or water

Other hypernyms of impeller include vane.

impeller (noun)	blade (noun)
the blade of a rotor (as in the compressor of a jet engine)	the flat part of a tool or weapon that (usually) has a cutting edge
	a cutting or thrusting weapon that has a long metal blade and a hilt with a hand guard
	flat surface that rotates and pushes against air or water
	the part of the skate that slides on the ice
	a broad flat body part (as of the shoulder or tongue)
	a cut of beef from the shoulder blade
	something long and thin resembling a blade of grass
	a dashing young man
	especially a leaf of grass or the broad portion of a leaf as distinct from the petiole

Difference between impeller and blade

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