HyperDic: contact_arm

English > 1 sense of the expression contact arm:
NOUNartifactcontact arm, wiper, wiper armcontact consisting of a conducting arm that rotates over a series of fixed contacts and comes to rest on an outlet
English > contact arm: 1 sense > noun 1, artifact
Meaningcontact consisting of a conducting arm that rotates over a series of fixed contacts and comes to rest on an outlet.
Synonymswiper, wiper arm
Part ofrheostat, variable resistorresistor for regulating current
selector, selector switchA switch that is used to select among alternatives
Broadercontact, tangency(electronics) a junction where things (as two electrical conductors / conductors) touch or are in physical contact

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