rheostat

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rhe·o·stat

 (rē′ə-stăt′)
n.
A potentiometer used as a variable resistor.

rhe′o·stat′ic adj.

rheostat

(ˈriːəˌstæt)
n
(Electrical Engineering) a variable resistance, usually consisting of a coil of wire with a terminal at one end and a sliding contact that moves along the coil to tap off the current
ˌrheoˈstatic adj

rhe•o•stat

(ˈri əˌstæt)

n.
an adjustable resistor so constructed that its resistance may be changed without opening the electrical circuit in which it is connected, thereby controlling the current in the circuit.
[1843]
rhe`o•stat′ic, adj.

rhe·o·stat

(rē′ə-stăt′)
A resistor whose resistance can be continuously varied between two extremes so as to control the flow of current in an electric circuit.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.rheostat - resistor for regulating currentrheostat - resistor for regulating current  
dimmer - a rheostat that varies the current through an electric light in order to control the level of illumination
resistor, resistance - an electrical device that resists the flow of electrical current
contact arm, wiper arm, wiper - contact consisting of a conducting arm that rotates over a series of fixed contacts and comes to rest on an outlet
Translations

rheostat

[ˈriːəʊstæt] Nreóstato m

rheostat

nRegelwiderstand m, → Rheostat m (spec)

rheostat

[ˈrɪəʊˌstæt] n (Elec) → reostato