Rheostat Definition
rēə-stăt
noun
A variable resistor for changing the resistance of an electrical circuit without interrupting the circuit, used as for regulating the brightness of electric lights.
Webster's New World
Synonyms:
Other Word Forms of Rheostat
Noun
Singular:
rheostat
Plural:
rheostatsOrigin of Rheostat
From rheo- +"Ž -stat.
From Wiktionary
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