## Meanings
1. an electronic device that selects one of several input signals to send to a single output
2. a device that combines multiple signals into one signal for transmission

## Examples
- The multiplexer allowed the computer to handle multiple tasks at once.
- The multiplexer helped to increase the efficiency of the communication system.

## Synonyms
- selector
- switcher
- router
- switch
- distributor
- splitter
- hub
- controller
- gateway

## Antonyms
- demultiplexer

## Etymology
From Latin multi- ('many') plus plex- ('to fold; to twist'), giving Latin multiplex ('manifold; many-fold'); the modern technical term multiplexer denotes an electronic device that selects or combines several signals.

## AI Etymology
Multiplexer comes from Latin multi- ('many') plus plex- ('to fold; to twist'), giving Latin multiplex ('manifold; many-fold'); the modern technical term multiplexer denotes an electronic device that selects or combines several signals. In current use it is a noun meaning "an electronic device that selects one of several input signals to send to a single output". That sense is explained by the older material without requiring a speculative semantic step: the inherited or borrowed base supplies the field of meaning, while the English formation fixes its modern role. The surface form is compositional: its joined elements remain visible in the modern word. The word's history is thus visible in its construction: the components remain interpretable even after the whole expression has settled into a conventional English meaning.

## Topics
- Technology & Computing
- Word Formation & Derivatives

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