# ignitron

> English word · Noun · IPA /ɪɡˈnaɪˌtɹɒn/

## Definitions
1. A form of rectifier having a pool of mercury as cathode.

## Etymology
From ignite + -tron.

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