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rheostat
(redirected from rheostat pedal)

    Also found in: Dictionary/thesaurus, Encyclopedia, Hutchinson 0.02 sec.
rheostat
[rē′əstat]
Etymology: Gk, rheos, current, statikos, causing to stand
a variable resistance electric device that can be adjusted to control the strength of a current.
rheostat (rē´ōstat),
n a resistor for regulating a current by means of variable resistances.
Enlarge picture
Rheostat pedal.
rheostat pedal,
n foot pedal that controls the speed on rotary powered, variable speed dental polishing equipment.
rheostat
an apparatus for regulating resistance in an electric circuit.


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