1. magnesium

noun. ['mægˈniːziːəm'] a light silver-white ductile bivalent metallic element; in pure form it burns with brilliant white flame; occurs naturally only in combination (as in magnesite and dolomite and carnallite and spinel and olivine).


  • magnesium oxide
  • metallic element
  • magnesite
  • atomic number 12
  • carnallite
  • magnesia
  • periclase
  • bitter spar
  • spinel
  • dolomite
  • Mg
  • metal


  • magnesium (Latin)
  • -ium (Latin)

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Rhymes with Magnesium

  • cesium

How do you pronounce magnesium?

Pronounce magnesium as mægˈniziəm.

US - How to pronounce magnesium in American English

UK - How to pronounce magnesium in British English

Sentences with magnesium

1. Noun, singular or mass
Libraries and other large book and paper storage facilities will often use powdered magnesium oxide to help preserve paper.

2. Adjective
If you hear the words "magnesium oxide," they might not mean much to you.