plant closing vs closing

plant closing and closing both are nouns.

Word	Noun	Adjective	Verb	Adverb
plant closing	Yes	No	No	No
closing	Yes	Yes	No	No

As nouns, closing is a hypernym of plant closing; that is, closing is a word with a broader meaning than plant closing:

Other hypernyms of plant closing include closedown, closure, shutdown.

plant closing (noun)	closing (noun)
act of shutting down operation of a plant	termination of operations
	the act of closing something
	a concluding action
	approaching a particular destination; a coming closer; a narrowing of a gap
	the last section of a communication

plant closing (adjective)	closing (adjective)
	final or ending