spinthariscopic

spinthariscope

[spin-thar-uh-skohp]
noun
an instrument that detects ionizing radiation by picking up sparks of light from alpha particles.

spinthariscopic [spin-thar-uh-skop-ik] , adjective
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spinthariscope (spɪnˈθærɪˌskəʊp)
 
n
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
 
[C20: from Greek spintharis a little spark + -scope]

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