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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Words that Rhyme with Magnesium

  • cesium

Example sentences of the word 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.