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Noun: strontium  strón-tee-um or strón(t)-sh(ee-)um
  1. A soft silver-white or yellowish metallic element of the alkali metal group; turns yellow in air; occurs in celestite and strontianite
    - Sr, atomic number 38

Derived forms: strontiums

Type of: metal, metallic element

Part of: celestite, strontianite

Encyclopedia: Strontium