spinthariscope

 [spin-thar-uh-skohp]

spin·thar·i·scope

  [spin-thar-uh-skohp]
noun
an instrument that detects ionizing radiation by picking up sparks of light from alpha particles.
Related forms
spin·thar·i·scop·ic [spin-thar-uh-skop-ik] , adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Spinthariscope is always a great word to know.
So is bezoar. Does it mean:
a calculus or concretion found in the stomach or intestines of certain animals, esp. ruminants, formerly reputed to be an effective remedy for poison.
a gadget; dingus; thingumbob.
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Collins
World English Dictionary
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]

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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