# phonoplex

> English word · Noun

## Definitions
1. A railway telegraph system allowing multiple messages to be transmitted at the same time on a single wire.

## Etymology
phono- + -plex

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/phonoplex