Home US English pearl ash

Definition of pearl ash in English:

pearl ash

noun

archaic

  • Commercial potassium carbonate.

    • ‘The first type, invented in the USA in 1790, was ‘pearl ash’, potassium carbonate prepared from wood ash.’

Pronunciation

pearl ash

/ˈpərl ˌaSH/ /ˈpərl ˌæʃ/