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spinthariscope Syllabification: spin·thar·i·scope
Pronunciation: /spinˈTHerəˌskōp/

Definition of spinthariscope in English:


An instrument that shows the incidence of alpha particles by flashes on a fluorescent screen.
Example sentences
  • In 1903 he invented the spinthariscope to detect alpha particles emitted by radioactive elements.
  • So I happen to have several spinthariscopes of various vintages, of which this item is a poor imitation.
  • Leo and his friends also took the spinthariscope to an out-of-town astronomers convention and advertised that they had developed an optical system that could penetrate clouds.


Early 20th century: formed irregularly from Greek spintharis 'spark' + -scope.

Definition of spinthariscope in:

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