magnesium

Meanings

1. 1
   noun

   the chemical element with atomic number 12, a light, silvery-white metal that burns with an intense white flame

   The scientist compared the planet's supply of magnesium with its aluminum deposits.

Appears in

From New Latin magnesium, based on Greek Magnesia, the name of a region in Thessaly associated with mineral substances. Humphry Davy adopted magnesium after first proposing magnium for the metal he isolated. The chemical symbol is Mg.

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