Geiger counter /gīˈgər kownˈtər/ or Geiger-Müller counter /-mülˈər/

An instrument for detecting and measuring radioactivity by registering electrical output pulses caused by ionization of particles in a gas-filled tube

• shamming
• shammosim
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• shamoy
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• shamoying
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• shampoo'd
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• shampooer
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• shampooing
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• shan
• Shan
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