rheostat

Meanings

Plural: rheostats

Noun

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

Origin / Etymology

From rheo- + -stat.

Synonyms

dimmer, dimmer switch, variable resistor

Scrabble Score: 11

rheostat is a valid Scrabble (US) TWL word
rheostat is a valid Scrabble Word in Merriam-Webster MW Dictionary
rheostat is a valid Scrabble Word in International Collins CSW Dictionary

Words With Friends Score: 10

rheostat is a valid Words With Friends word