Spinthariscope Definition

spĭn-thărĭ-skōp
noun
A small device with a fluorescent screen, for visually observing the scintillations produced by the impact of alpha rays given off by a radioactive substance.
Webster's New World

An early device used for observing individual nuclear disintegrations.

Wiktionary

Other Word Forms of Spinthariscope

Noun

Singular:
spinthariscope
Plural:
spinthariscopes

Origin of Spinthariscope

  • Greek spintharis spark –scope

    From American Heritage Dictionary of the English Language, 5th Edition

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spinthariscope