epsom salts

English Thesaurus

1. (used with a singular noun) hydrated magnesium sulfate used as a laxative (noun.artifact)

hypernym	:	aperient, cathartic, physic, purgative,
definition	:	a purging medicine; stimulates evacuation of the bowels (noun.artifact)

domain usage	:	plural, plural form,
definition	:	the form of a word that is used to denote more than one (noun.communication)

2. hydrated magnesium sulfate that is taken orally to treat heartburn and constipation and injected to prevent seizures (noun.substance)

hypernym	:	magnesium sulfate,
definition	:	a salt of magnesium (noun.substance)