magnesium
Meanings
noun
- The chemical element with an atomic number of 12. It is a light, easily flammable, silvery-white alkaline earth metal.
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Etymology
From New Latin magnēsium, from Ancient Greek μαγνησία (magnēsía), after Μαγνησία (Magnēsía, “Magnesia”), a region in Thessaly. Coined by British chemist Humphry Davy, as a modification of his original suggestion, magnium.
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