noun
magnesium
mag-NEE-zee-uhm
noun
1
A light, silvery-white metallic chemical element (atomic number 12) that burns with an intense white flame.
"The fireworks display used magnesium to create a blinding white flash."
"Bananas and leafy greens are good dietary sources of magnesium."
How to Use Magnesium
Learner’s notesIn plain EnglishA lightweight metal used in everything from fireworks to bike frames, and an essential mineral in the diet.
Common pairings
magnesium supplement
magnesium alloy
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Etymology
From New Latin magnesium, based on Greek Magnēsía, a region in Thessaly; coined by the chemist Humphry Davy, who first isolated it.