microbar vs bar absolute

microbar and bar absolute both are nouns.

Word	Noun	Adjective	Verb	Adverb
microbar	Yes	No	No	No
bar absolute	Yes	No	No	No

As nouns, microbar and bar absolute are synonyms defined as:

microbar and bar absolute: the absolute unit of pressure equal to one dyne per square centimeter

Other synonyms of microbar include barye.

microbar (noun)	bar absolute (noun)
the absolute unit of pressure equal to one dyne per square centimeter	the absolute unit of pressure equal to one dyne per square centimeter