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planchet

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noun plan·chet \ˈplan-chət\

Definition of planchet

  1. 1 :  a metal disk to be stamped as a coin

  2. 2 :  a small metal or plastic disk



Origin and Etymology of planchet

diminutive of planch flat plate, from Middle French planche


First Known Use: 1611


Medical Dictionary

planchet

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noun plan·chet \ˈplan-chət\

Medical Definition of planchet

  1. :  a small metal disk or plate on which a sample of radioactive material is placed (as for quantitative determination of its activity)




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