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Definition of pearl ash in English: pearl ashnoun mass nounarchaic Commercial potassium carbonate. Example sentencesExamples - The first type, invented in the USA in 1790, was ‘pearl ash’, potassium carbonate prepared from wood ash.
Definition of pearl ash in US English: pearl ashnounˈpərl ˌaSH archaic Commercial potassium carbonate. Example sentencesExamples - The first type, invented in the USA in 1790, was ‘pearl ash’, potassium carbonate prepared from wood ash.
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