magnesium oxide

noun

: a white highly infusible compound MgO used especially in refractories, cements, insulation, and fertilizers, in rubber manufacture, and in medicine as an antacid and mild laxative

Examples of magnesium oxide in a Sentence

Recent Examples on the Web

However, Karp emphasizes that there are some benefits to magnesium oxide. —Jennifer Shanker, Flow Space, 6 Feb. 2025

Best Magnesium Supplement: Nature Made Magnesium Citrate Courtesy of brand 5/10 Nature Made Magnesium Citrate $27 Walmart $24 $18 Amazon Both magnesium oxide and magnesium citrate are great supplements for bloating that won’t wreak havoc on your digestive system. —Marilyn La Jeunesse, Glamour, 31 Jan. 2025

Magnesium supplements, like magnesium citrate and magnesium oxide, are available. —Chelsea Rae Bourgeois, Rdn, Health, 23 Dec. 2024

Some health experts suggest magnesium supplementation can help prevent migraine attacks, with magnesium oxide being the most popular type for migraine treatment. —Ashley Wong, Health, 10 Dec. 2024

Word History

First Known Use

1866, in the meaning defined above

Rhymes for magnesium oxide

• acetaldehyde
• acetanilide
• arabinoside
• cycloheximide
• cyclophosphamide
• diethylamide
• dinucleotide
• ferricyanide
• ferrocyanide
• glutaraldehyde
• glyceraldehyde
• hydroperoxide

Kids Definition

magnesium oxide

noun

: a white earthy solid that consists of magnesium and oxygen and is used especially in fertilizers and rubber, as a mild laxative, and against acid in the stomach

Medical Definition

magnesium oxide

noun

: a white highly infusible compound MgO used especially in refractories, cements, insulation, and fertilizers, in rubber manufacture, and in medicine as an antacid and mild laxative