quadrant vs measuring system

quadrant and measuring system both are nouns.

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

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

quadrant: a measuring instrument for measuring altitude of heavenly bodies
measuring system: instrument that shows the extent or amount or quantity or degree of something

Other hypernyms of quadrant include measuring device, measuring instrument.

quadrant (noun)	measuring system (noun)
a measuring instrument for measuring altitude of heavenly bodies	instrument that shows the extent or amount or quantity or degree of something
the area enclosed by two perpendicular radii of a circle
any of the four areas into which a plane is divided by two orthogonal coordinate axes
a quarter of the circumference of a circle