# hydrophone

> English word · Noun · frequency rank #94,972

## Definitions
1. a transducer that converts underwater sound waves into electrical signals, rather like a microphone

## Etymology
From hydro- + -phone.

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