magnesium

[mag-nee-zee-uhm, -zhuhm, -shee-uhm]

noun

Chemistry.

1. a light, ductile, silver-white, metallic element that burns with a dazzling white light, used in lightweight alloys, flares, fireworks, in the manufacture of flashbulbs, optical mirrors, and precision instruments, and as a zinc substitute in batteries. Mg; 24.312; 12; 1.74 at 20°C.

magnesium

/ mæɡˈniːzɪəm /

noun

1. a light silvery-white metallic element of the alkaline earth series that burns with an intense white flame, occurring principally in magnesite, dolomite, and carnallite: used in light structural alloys, flashbulbs, flares, and fireworks. Symbol: Mg; atomic no: 12; atomic wt: 24.3050; valency: 2; relative density: 1.738; melting pt: 650°C; boiling pt: 1090°C

magnesium

1. A lightweight, moderately hard, silvery-white metallic element of the alkaline-earth group that burns with an intense white flame. It is an essential component of chlorophyll and is used in lightweight alloys, flash photography, and fireworks. Atomic number 12; atomic weight 24.305; melting point 649°C; boiling point 1,090°C; specific gravity 1.74 (at 20°C); valence 2.

2. See Periodic Table

Word History and Origins

Origin of magnesium¹

From New Latin, dating back to 1800–10; magnesia, -ium

Word History and Origins

Origin of magnesium¹

C19: New Latin, from _magnesia

Example Sentences

He realised the participants receiving benefits struggled to access proper nutrition, including consuming vitamins like vitamin A, iron, zinc, magnesium and selenium.

From BBC

The ad for the drink, which includes cucumber, mint and magnesium also claimed it could help or reduce stress and anxiety.

From BBC

The greens are also rich in Vitamin A, Vitamin B, Vitamin B6 and minerals, including magnesium, phosphorus, iron, calcium and potassium.

From Salon

In that case, she’d have to look at major lifestyle changes like taking magnesium to improve her sleep, increasing her protein intake and strength training, and decreasing her stress.

From Los Angeles Times

Marco Zucconi, the Chargers’ director of player health, wellness and performance, gave the coach an IV and magnesium to treat the condition.

From Los Angeles Times