What does Epsom salts mean?
• EPSOM SALTS (noun) The noun EPSOM SALTS has 2 senses: 1. hydrated magnesium sulfate that is taken orally to treat heartburn and constipation and injected to prevent seizures 2. (used with a singular noun) hydrated magnesium sulfate used as a laxative Familiarity information: EPSOM SALTS used as a noun is rare.