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English definition of “iodine”

iodine

noun [U] uk   /ˈaɪ.ə.diːn/ /-daɪn/ (symbol I) us  
a chemical element that is found in small amounts in sea water and used to prevent infectionChemical elements
(Definition of iodine from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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