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strontium

stron·ti·um

strontium

 
pronunciation:
stran shm [or] stran shi m [or] stran ti m
features:
Word Combinations (noun)
part of speech: noun
definition: a highly reactive chemical element of the alkaline-earth group that has thirty-eight protons in each nucleus, that occurs naturally only in compounds, and that has highly toxic radioactive isotopes that are by-products of some types of nuclear fission reactions. (symbol: Sr)
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