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International science olympiad

annual competitions in various areas of the formal sciences, natural sciences, and social sciences

Pronunciation
/ˌɪntərˈnæʃənəl ˈsaɪəns oʊˈlɪmpiˌæd/
/ɪntəˈnaʃənəl ˈsʌɪəns əˈlɪmpɪad/