planchet

noun plan·chet \ ˈplan-chət \

Definition of planchet

1 : a metal disk to be stamped as a coin
2 : a small metal or plastic disk

Origin and Etymology of planchet

diminutive of planch flat plate, from Middle French planche


Medical Dictionary

planchet

noun plan·chet \ ˈplan-chət \

medical Definition of planchet

: 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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