electroscope(redirected from electroscopes)
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Related to electroscopes: Leaf electroscope
An instrument used to detect the presence, sign, and in some configurations the magnitude of an electric charge by the mutual attraction or repulsion of metal foils or pith balls.
e·lec′tro·scop′ic (-skŏp′ĭk) adj.
(General Physics) an apparatus for detecting an electric charge, typically consisting of a rod holding two gold foils that separate when a charge is applied
a device for detecting the presence and determining the sign of electric charges by means of electrostatic attraction and repulsion, often between two pieces of gold leaf enclosed in a glass-walled chamber.
e•lec`tro•scop′ic (-ˈskɒp ɪk) adj.
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|Noun||1.||electroscope - measuring instrument that detects electric charge; two gold leaves diverge owing to repulsion of charges with like sign|