A device for detecting small electric charges which are applied to a piece of thin gold foil usually attached at upper end to a metal electrode. Mutual repulsion between the foil and the similarly charged plate electrode leads to the former being displaced,

Link to This Definition

Did you find this definition of GOLD-LEAF ELECTROSCOPE helpful? You can share it by copying the code below and adding it to your blog or web page.
Edited and fact checked by Pam: Google +