Spinthariscope
[spin-thar-uh-skohp] /spɪnˈθær əˌskoʊp/
noun
1.
an instrument that detects ionizing radiation by picking up sparks of light from alpha particles.
spinthariscope
/spɪnˈθærɪˌskəʊp/
noun
1.
a device for observing ionizing radiation, consisting of a tube with a magnifying lens at one end and a phosphorescent screen at the other. A particle hitting the screen produces a scintillation
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