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    sir ernst boris chain

    sir ernst boris chain - Dictionary definition and meaning for word sir ernst boris chain

    Definition
    (noun) British biochemist (born in Germany) who isolated and purified penicillin, which had been discovered in 1928 by Sir Alexander Fleming (1906-1979)
    Synonyms : chain , ernst boris chain

Word used in video below:
text: Cretaceous Period stay Boris was
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