theatre of operations vs theatre

theatre of operations and theatre both are nouns.

Word	Noun	Adjective	Verb	Adverb
theatre of operations	Yes	No	No	No
theatre	Yes	No	No	No

As nouns, theatre of operations and theatre are synonyms defined as:

theatre of operations and theatre: a region in which active military operations are in progress

Other synonyms of theatre of operations include field, field of operations, theater, theater of operations.

theatre of operations (noun)	theatre (noun)
a region in which active military operations are in progress	a building where theatrical performances or motion-picture shows can be presented
	the art of writing and producing plays
	a region in which active military operations are in progress