noun ·3 syllables ·Rare ·Advanced level

Definitions

Noun

1. 1
   An evaporite, consisting of magnesium sulphate, also found in fumaroles, with the chemical formula MgSO₄·7H₂O. countable, uncountable

Synonyms

All synonyms

alabasterasphaltepsom saltsepsom saltsmineral

Etymology

From Epsom + -ite, named after the place Epsom in England in 1824.

Related phrases

chemical formulamagnesium sulphatesaline evaporite

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.