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electroscope

[ih-lek-truh-skohp] /ɪˈlɛk trəˌskoʊp/
noun
1.
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.
Origin of electroscope
1815-1825
First recorded in 1815-25; electro- + -scope
Related forms
electroscopic
[ih-lek-truh-skop-ik] /ɪˌlɛk trəˈskɒp ɪk/ (Show IPA),
adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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British Dictionary definitions for electroscope

electroscope

/ɪˈlɛktrəʊˌskəʊp/
noun
1.
an apparatus for detecting an electric charge, typically consisting of a rod holding two gold foils that separate when a charge is applied
Derived Forms
electroscopic (ɪˌlɛktrəʊˈskɒpɪk) adjective
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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