kathodophone

Fetched 2026-10-26 (cache).

Datamuse reports no synonyms or antonyms for this word.

Noun

An obsolete form of [[microphone]] that detected [[sound wave]]s by measuring the [[density]] of [[ionised]] [[air]] between a [[cathode]] and an [[anode]]

Source: Wiktionary · CC BY-SA 4.0 (Wiktionary dump) · cached copy, not a rewrite.