POTASH


Meaning of POTASH in English

n. an alkaline potassium compound, usu. potassium carbonate or hydroxide.

[ 17th-c. pot-ashes f. Du. pot-asschen (as POT(1), ASH(1)): orig. obtained by leaching vegetable ashes and evaporating the solution in iron pots ]

Concise Oxford English dictionary.      Краткий оксфордский словарь английского языка.