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Classic usage
Pronunciation: /ˈaɪ.əˌdaɪn
Estimated CEFR level: C2 — Proficiency
Estimated from word frequency; not an official CEFR classification.
From French iode + -ine, from Ancient Greek ἰοειδής (ioeidḗs, “violet”). Coined by British chemist Humphry Davy in 1814.
iodin, I, atomic number 53
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Classic usage
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