thermogravimetry vs mensuration

thermogravimetry and mensuration both are nouns.

Word	Noun	Adjective	Verb	Adverb
thermogravimetry	Yes	No	No	No
mensuration	Yes	No	No	No

As nouns, mensuration is a hypernym of thermogravimetry; that is, mensuration is a word with a broader meaning than thermogravimetry:

thermogravimetry: the measurement of changes in weight as a function of changes in temperature used as a technique of chemically analyzing substances
mensuration: the act or process of assigning numbers to phenomena according to a rule

Other hypernyms of thermogravimetry include chemical analysis, qualitative analysis, measure, measurement, measuring.

thermogravimetry (noun)	mensuration (noun)
the measurement of changes in weight as a function of changes in temperature used as a technique of chemically analyzing substances	the act or process of assigning numbers to phenomena according to a rule