A plain metal disk from which a coin is made.
More 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'.
Definition of planchet in:
- The British & World English dictionary