magnesium

noun

mag·​ne·​sium mag-ˈnē-zē-əm 

-zhəm

: a silver-white malleable ductile light metallic element that occurs abundantly in nature and is used in metallurgical and chemical processes, in photography, signaling, and pyrotechnics because of the intense white light it produces on burning, and in construction especially in the form of light alloys see Chemical Elements Table

Examples of magnesium in a Sentence

Recent Examples on the Web

For optimal cooling and lowering of weight, there is a magnesium battery enclosure. —New Atlas, 4 Nov. 2024

This potent magnesium bath soak is enriched with stress-relieving essential oils and apple cider vinegar and is designed to support serotonin levels and provide muscle and nerve relief. —Mia Meltzer, Rolling Stone, 1 Nov. 2024

The brakes behind those stylish 18-inch magnesium monoblocks were upfitted, too. —Sean Evans, Robb Report, 30 Oct. 2024

This magnesium body lotion from Neom, $41 at Nordstrom, is scented with notes of English lavender, sweet basil and jasmine and packs a big magnesium punch to relax you. —Nora Colomer, Fox News, 30 Oct. 2024

Word History

Etymology

New Latin, from magnesia

First Known Use

1812, in the meaning defined above

Phrases Containing magnesium

• magnesium carbonate
• magnesium chloride
• magnesium hydroxide
• magnesium oxide
• magnesium sulfate

Kids Definition

magnesium

noun

mag·​ne·​sium mag-ˈnē-zē-əm 

-zhəm

: a silver-white metallic element that is light and easily worked, burns with a dazzling light, and is used in making lightweight alloys see element

Medical Definition

magnesium

noun

mag·​ne·​sium mag-ˈnē-zē-əm  -zhəm 

: a silver-white light malleable ductile metallic element that occurs abundantly in nature (as in bones and seeds and in the form of chlorophyll in the green parts of plants) and is used in metallurgical and chemical processes, in photography, in signaling, and in the manufacture of pyrotechnics because of the intense white light it produces on burning, and in construction especially in the form of light alloys

—symbol Mg see Chemical Elements Table