eriometer vs measuring system

eriometer and measuring system both are nouns.

Word	Noun	Adjective	Verb	Adverb
eriometer	Yes	No	No	No
measuring system	Yes	No	No	No

As nouns, measuring system is a hypernym of eriometer; that is, measuring system is a word with a broader meaning than eriometer:

eriometer: An instrument for measuring the diameters of minute particles or fibers, from the size of the colored rings produced by the diffraction of the light in which the objects are viewed.
measuring system: instrument that shows the extent or amount or quantity or degree of something

Other hypernyms of eriometer include measuring device, measuring instrument.

eriometer (noun)	measuring system (noun)
An instrument for measuring the diameters of minute particles or fibers, from the size of the colored rings produced by the diffraction of the light in which the objects are viewed.	instrument that shows the extent or amount or quantity or degree of something