tintometer vs colorimeter

tintometer and colorimeter both are nouns.

Word	Noun	Adjective	Verb	Adverb
tintometer	Yes	No	No	No
colorimeter	Yes	No	No	No

As nouns, tintometer and colorimeter are synonyms defined as:

tintometer and colorimeter: a measuring instrument used in colorimetric analysis to determine the quantity of a substance from the color it yields with specific reagents

tintometer (noun)	colorimeter (noun)
a measuring instrument used in colorimetric analysis to determine the quantity of a substance from the color it yields with specific reagents	a measuring instrument used in colorimetric analysis to determine the quantity of a substance from the color it yields with specific reagents