mil vs angular unit

mil and angular unit both are nouns.

Word	Noun	Adjective	Verb	Adverb
mil	Yes	No	No	No
angular unit	Yes	No	No	No

As nouns, angular unit is a hypernym of mil; that is, angular unit is a word with a broader meaning than mil:

mil: an angular unit used in artillery; equal to 1/6400 of a complete revolution
angular unit: a unit of measurement for angles

mil (noun)	angular unit (noun)
a unit of length equal to one thousandth of an inch; used to specify thickness (e.g., of sheets or wire)	a unit of measurement for angles
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