A movie theater with multiple screens, or technically, a system that transmits or handles multiple signals at once.
From Latin multi- (many) + -plex (from plectere 'to fold or weave'). Created in late 19th century for technical communication systems; applied to movie theaters in the 1970s-80s.
Before multiplexes, going to the movies meant one film choice at one time—the technology to run multiple screens made multiplexes possible, which then fundamentally changed how movies were distributed, killed small hometown theaters, and created a new date-night experience.
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