# rheostat

> English word · Noun · IPA /ˈɹiː.ə.stat/

## Definitions
1. An electrical resistor, with two terminals, whose resistance is continuously variable by moving a knob or slider.

## Etymology
From rheo- + -stat.

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