Definition of planchet in English:

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Pronunciation: /ˈplan(t)SHət/


A plain metal disk from which a coin is made.
Example sentences
  • The leachate was separated from the solids by centrifugation, and the dissolved polonium isotopes in the liquid were plated spontaneously onto a silver planchet.
  • The most basic type of planchet error is when the wrong planchet is fed into a press.


Early 17th century: diminutive of earlier planch 'slab of metal', from Old French planche 'plank, slab'.

For editors and proofreaders

Syllabification: planch·et

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