UK:*UK and possibly other pronunciationsUK and possibly other pronunciations/ˈmʌltiplɛks/US:USA pronunciation: IPA and respellingUSA pronuncation: IPA/ˈmʌltəˌplɛks/ ,USA pronunciation: respelling(multə pleks′)

WordReference Random House Learner's Dictionary of American English © 2020
mul•ti•plex /ˈmʌltəˌplɛks/USA pronunciation   adj. 
  1. having many parts or aspects.
  2. Telecommunicationsof, relating to, or using equipment permitting the sending of two or more signals over a single channel at the same time.

n. [countable]
  1. Telecommunicationsa multiplex electronics system.
  2. Show Businessa building containing a number of movie theaters:a multiplex at the shopping mall.
See -plex-.
WordReference Random House Unabridged Dictionary of American English © 2020
mul•ti•plex  (multə pleks′),USA pronunciation adj. 
  1. having many parts or aspects:the multiplex problem of drug abuse.
  2. manifold;
    multiple:the multiplex opportunities in high technology.
  3. Telecommunicationsof, pertaining to, or using equipment permitting the simultaneous transmission of two or more trains of signals or messages over a single channel.

  1. Telecommunications
    • to arrange (a circuit) for use by multiplex telegraphy.
    • to transmit (two or more signals or messages) by a multiplex system, circuit, or the like.

  1. Telecommunicationsto send several messages or signals simultaneously, as by multiplex telegraphy.

  1. Telecommunicationsa multiplex electronics system.
  2. Geography(in map making) a stereoscopic device that makes it possible to view pairs of aerial photographs in three dimensions.
  3. Cinema, Show BusinessAlso called  multiplex cin′ema, multiplex the′ater. a group of two or more motion-picture theaters on the same site or in the same building, esp. a cluster of adjoining theaters.
multi•plex′er, multi•plex′or, n. 
  • Latin; see multi-, -plex
  • 1550–60

Collins Concise English Dictionary © HarperCollins Publishers::
multiplex /ˈmʌltɪˌplɛks/ n
  1. the use of a common communications channel for sending two or more messages or signals. In frequency-division multiplex the frequency band transmitted by the common channel is split into narrower bands each of which constitutes a distinct channel. In time-division multiplex different channels are established by intermittent connections to the common channel
  2. (as modifier): a multiplex transmitter
  3. a purpose-built complex containing a number of cinemas and usually a restaurant or bar
  4. (as modifier): a multiplex cinema
  1. a less common word for multiple
  1. to send (messages or signals) or (of messages or signals) be sent by multiplex
Etymology: 16th Century: from Latin: having many folds, from multi- + plicāre to fold
'multiplex' also found in these entries (note: many are not synonyms or translations):
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