millimeter of mercury vs torr

millimeter of mercury and torr both are nouns.

Word	Noun	Adjective	Verb	Adverb
millimeter of mercury	Yes	No	No	No
torr	Yes	No	No	No

As nouns, millimeter of mercury and torr are synonyms defined as:

millimeter of mercury and torr: a unit of pressure equal to 0.001316 atmosphere; named after Torricelli

Other synonyms of millimeter of mercury include mm Hg.

millimeter of mercury (noun)	torr (noun)
a unit of pressure equal to 0.001316 atmosphere; named after Torricelli	a unit of pressure equal to 0.001316 atmosphere; named after Torricelli