magnesium sulfate

noun

: a sulfate of magnesium: such as

a

: a white salt MgSO₄ used in medicine and in industry

b

: epsom salts

Examples of magnesium sulfate in a Sentence

Recent Examples on the Web

Airborne features magnesium in the forms of magnesium oxide and magnesium sulfate, while Emergen-C uses magnesium hydroxide and magnesium carbonate. —Megan Nunn, Verywell Health, 10 Oct. 2024

There, the rover has discovered minerals that contain sulfur mixed with other elements—such as magnesium sulfate and calcium sulfate. —Eli Wizevich, Smithsonian Magazine, 26 July 2024

Note that this is not magnesium sulfate but manganese sulfate. —Tom MacCubbin, Orlando Sentinel, 15 June 2024

Pure Epsom Salt Soak Her choice of Dr. Teals’ formula is fragrance-free and made with pharmacy-grade magnesium sulfate that dissolves quickly in water and is hypoallergenic, so as not to cause any skin irritation. —Kayla Blanton, Peoplemag, 16 May 2024

Word History

First Known Use

1869, in the meaning defined above

Kids Definition

magnesium sulfate

noun

: any of several sulfates of magnesium

especially : epsom salt

Medical Definition

magnesium sulfate

noun

: a white anhydrous salt MgSO₄ that occurs naturally in hydrated form as Epsom salts and that in the hydrated form MgSO₄·7H₂O is administered orally to relieve constipation or by injection to treat magnesium deficiency, to control convulsions associated with eclampsia, and to treat symptoms (as hypertension and convulsions) associated with nephritis in children