millilitre vs mil

millilitre and mil both are nouns.

Word	Noun	Adjective	Verb	Adverb
millilitre	Yes	No	No	No
mil	Yes	No	No	No

As nouns, millilitre and mil are synonyms defined as:

millilitre and mil: a metric unit of volume equal to one thousandth of a liter

Other synonyms of millilitre include cc, cubic centimeter, cubic centimetre, milliliter, ml.

millilitre (noun)	mil (noun)
a metric unit of volume equal to one thousandth of a liter	a unit of length equal to one thousandth of an inch; used to specify thickness (e.g., of sheets or wire)
	a metric unit of volume equal to one thousandth of a liter
	an angular unit used in artillery; equal to 1/6400 of a complete revolution
	a Cypriot monetary unit equal to one thousandth of a pound
	a Swedish unit of length equivalent to 10 km