■ plural noun crystals of hydrated magnesium sulphate used as a purgative.
Origin
C18: named after the town of Epsom in Surrey, where the salts were first found occurring naturally.
■ plural noun crystals of hydrated magnesium sulphate used as a purgative.
Origin
C18: named after the town of Epsom in Surrey, where the salts were first found occurring naturally.
Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004