multiplex vs picture palace

multiplex and picture palace both are nouns.

Word	Noun	Adjective	Verb	Adverb
multiplex	Yes	Yes	No	No
picture palace	Yes	No	No	No

As nouns, picture palace is a hypernym of multiplex; that is, picture palace is a word with a broader meaning than multiplex:

multiplex: a movie theater that has several different auditoriums in the same building
picture palace: a theater where films are shown

Other hypernyms of multiplex include cinema, movie house, movie theater, movie theatre.

multiplex (noun)	picture palace (noun)
a movie theater that has several different auditoriums in the same building	a theater where films are shown
communicates two or more signals over a common channel

multiplex (adjective)	picture palace (adjective)
having many parts or aspects
many and varied; having many features or forms