pearlash

English

noun
Definitions
  • (organic compound) A white amorphous or granular substance which consists principally of potassium carbonate and has a strong alkaline reaction. It is obtained by lixiviating wood ashes and evaporating the lye, and has been an important source of potassium compounds. It is used in making soap, glass, etc.

Etymology

Affix from English pearl + English ash.

Origin

English

ash

Gloss

Timeline

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