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strontium Definition

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strontium
noun(stron-tium)
a soft malleable ductile metallic element of the alkaline-earth group occurring only in combination and used especially in color TV tubes, in crimson fireworks, and in the production of some ferrites
strontium
noun(stron-tium)
a heavy radioactive isotope of strontium of mass number 90 that has a half-life of 29 years, that is present in nuclear waste and fallout, and that is hazardous because like calcium it can be assimilated in biological processes and deposited in the bones of human beings and animals

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