rheostat

Definition from Wiktionary, the free dictionary
Jump to: navigation, search

English[edit]

A light switch with a rheostat

Etymology[edit]

From rheo- +‎ -stat.

Noun[edit]

rheostat (plural rheostats)

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

Synonyms[edit]

  • dimmer (when applied to lights)

Translations[edit]