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strontium British & World English

The chemical element of atomic number 38, a soft silver-white metal of the alkaline earth series. Its salts are used in fireworks and flares because they give a brilliant red light

strontium New Oxford Dictionary for Writers & Editors

chemical element of atomic number 38

Sr in strontium British & World English

The chemical element of atomic number 38, a soft silver-white metal of the alkaline earth series. Its salts are used in fireworks and flares because they give a brilliant red light

rubidium–strontium dating British & World English

A method of dating rocks from the relative proportions of rubidium-87 and its decay product, strontium-87