hematocrit vs extractor

hematocrit and extractor both are nouns.

Word	Noun	Adjective	Verb	Adverb
hematocrit	Yes	No	No	No
extractor	Yes	No	No	No

As nouns, extractor is a hypernym of hematocrit; that is, extractor is a word with a broader meaning than hematocrit:

hematocrit: a measuring instrument to determine (usually by centrifugation) the relative amounts of corpuscles and plasma in the blood
extractor: an apparatus that uses centrifugal force to separate particles from a suspension

Other hypernyms of hematocrit include centrifuge, separator, measuring device, measuring instrument, measuring system.

hematocrit (noun)	extractor (noun)
a measuring instrument to determine (usually by centrifugation) the relative amounts of corpuscles and plasma in the blood	an instrument for extracting tight-fitting components
the ratio of the volume occupied by packed red blood cells to the volume of the whole blood as measured by a hematocrit	an apparatus that uses centrifugal force to separate particles from a suspension
	a mechanism in a firearm that pulls an empty shell case out of the chamber and passes it to the ejector