1. Relating to, having, or consisting of multiple elements or parts: "the whole complex and multiplex detail of the noble science of dinner" (Thomas Love Peacock).
2. Relating to or being a system of simultaneous communication of two or more messages on the same wire or radio channel.
1. A multiplex communication system.
2. A building having a number of separate movie theaters that are usually accessed from a central lobby.
3. A dwelling with multiple separate units.
v. mul·ti·plexed, mul·ti·plex·ing, mul·ti·plex·es
To send messages or signals simultaneously using a multiplex system.
To send simultaneously using a multiplex system.
[Middle English, a multiple, from Latin, various, complicated : multi-, multi- + -plex, -fold; see plek- in the Appendix of Indo-European roots.]
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2017 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
The American Heritage Dictionary Blog
Check out our blog, updated regularly, for new words and revised definitions, interesting images from the 5th edition, discussions of usage, and more.
American Heritage Dictionary Products
The American Heritage Dictionary, 5th Edition
The American Heritage Dictionary of Idioms
The American Heritage Roget's Thesaurus
Curious George's Dictionary
The American Heritage Children's Dictionary
The American Heritage Dictionary of Indo-European Roots
The American Heritage Student Grammar Dictionary
The American Heritage Desk Dictionary + Thesaurus
The American Heritage Science Dictionary
The American Heritage Dictionary of Business Terms
The American Heritage Student Dictionary
The American Heritage Essential Student Thesaurus