alkaline earth

Other forms: alkaline earths

Definitions of alkaline earth
  1. noun
    any of the bivalent metals of group II of the periodic table (calcium or strontium or barium or magnesium or beryllium)
    synonyms: alkaline-earth metal
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    type of:
    metal, metallic element
    any of several chemical elements that are usually shiny solids that conduct heat or electricity and can be formed into sheets etc.
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