mill vs closed-circuit television

mill and closed-circuit television both are nouns.

Word	Noun	Adjective	Verb	Adverb
mill	Yes	No	Yes	No
closed-circuit television	Yes	No	No	No

mill (noun)	closed-circuit television (noun)
the act of grinding to a powder or dust	a television system that is not used for broadcasting but is connected by cables to designated monitors (as in a factory or theater)
machinery that processes materials by grinding or crushing
a plant consisting of one or more buildings with facilities for manufacturing

mill (verb)	closed-circuit television (verb)
grind with a mill
produce a ridge around the edge of
roll out (metal) with a rolling machine
move about in a confused manner