torsion balance

noun

1. an instrument for measuring small forces, as electric attraction or repulsion, by determining the amount of torsion or twisting they cause in a slender wire or filament.

torsion balance

noun

1. an instrument used to measure small forces, esp electric or magnetic forces, by the torsion they produce in a thin wire, thread, or rod

Word History and Origins

Origin of torsion balance¹

First recorded in 1820–30

Example Sentences

Coulomb was the maker of the first instrument for measuring a current, which was known as the torsion balance.

From Project Gutenberg

The torsion balance was enclosed in a case and outside this two lead spheres WW each 12 in.

From Project Gutenberg

In 1785 Coulomb constructed his torsion balance, by which he was enabled to measure the repulsion of electrified bodies.

From Project Gutenberg