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selenium

se·le·ni·um

selenium

 
pronunciation:
s li ni m
features:
Word Combinations (noun)
part of speech: noun
definition: a chemical element that has thirty-four protons in each nucleus and that forms compounds with many other elements, but that can be isolated in gray or red crystalline allotropes whose electrical resistance varies with light intensity, leading to extensive use in photoelectric cells, xerographic copying, and the like. (symbol: Se)
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