noun · 3 senses · updated from the 2026-07-25 local source snapshot
Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.
Sound
Pronunciation
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CMU ARPABET:M AH1 L T IY0 P L EH2 K S ER0
Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.
1
noun
Meaning 1
A device that interleaves several activities; a switching device.
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
2
noun
Meaning 2
A device that combines several input signals into a single output signal.
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
3
noun
Meaning 3
a device that can interleave two or more activities
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
Broader terms: electronic device
Narrower terms: data multiplexer
History
Etymology
Etymology tree Proto-Indo-European *mel-der. Proto-Indo-European *ml̥tós? Proto-Italic *moltos Latin multi- Proto-Indo-European *pel-der.? Latin -plex Latin multiplexlbor. English multiplex Proto-Indo-European *-yósder. Proto-Italic *-āzios Latin -āriusnom. Latin -āriusbor. Proto-Germanic *-ārijaz Proto-West Germanic *-ārī Old English -ere Middle English -ere English -er English multiplexer From multiplex + -er.
Across languages
Translations
12 source translations are retained for this English entry.
Czech:
multiplexor
— device that interleaves several activities
Finnish:
multiplekseri
— device that interleaves several activities
Finnish:
tulovalitsin
— device that interleaves several activities
Finnish:
ottovalitsin
— device that interleaves several activities
French:
multiplexeur
— device that interleaves several activities
German:
Multiplexer
— device that interleaves several activities
Greek:
πολυπλέκτης
(polypléktis)
— device that interleaves several activities
Kazakh:
мультиплексор
(multipleksor)
— device that interleaves several activities
Romanian:
multiplexor
— device that interleaves several activities
Serbo-Croatian:
мултиплексер
— device that interleaves several activities
Serbo-Croatian:
multipleksor
— device that interleaves several activities
Spanish:
multiplexor
— device that interleaves several activities