electroscope

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Definitions of electroscope word

noun electroscope An instrument for detecting and measuring electricity, especially as an indication of the ionization of air by radioactivity. 1
noun electroscope an apparatus for detecting an electric charge, typically consisting of a rod holding two gold foils that separate when a charge is applied 0
noun electroscope an instrument for detecting very small charges of electricity, electric fields, or radiation: it can indicate whether they are positive or negative, as by the divergence of electrically charged strips of gold leaf: when fitted with optical means for quantitative observation of the divergence, an electroscope serves as an electrometer 0
noun electroscope (physics) a simple device that detects the presence of an electric charge by the mutual repulsion of metal foils or pith balls. 0

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This term is known only to a narrow circle of people with rare knowledge. Only 7% of English native speakers know the meaning of this word.

This word is included in each student's vocabulary. Most likely there is at least one movie with this word in the title.

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