movie camera vs motion-picture camera

movie camera and motion-picture camera both are nouns.

Word	Noun	Adjective	Verb	Adverb
movie camera	Yes	No	No	No
motion-picture camera	Yes	No	No	No

As nouns, movie camera and motion-picture camera are synonyms defined as:

movie camera and motion-picture camera: a camera that takes a sequence of photographs that can give the illusion of motion when viewed in rapid succession

Other synonyms of movie camera include cine-camera.

movie camera (noun)	motion-picture camera (noun)
a camera that takes a sequence of photographs that can give the illusion of motion when viewed in rapid succession	a camera that takes a sequence of photographs that can give the illusion of motion when viewed in rapid succession