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mitosis

noun
🔊/maɪˈtəʊsɪs/
🔊/maɪˈtəʊsɪs/
 [uncountable] (biology生物)
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  1. the usual process by which cells divide, producing two cells each with the same number of chromosomes as the original cell（细胞的）有丝分裂Topics Biologyc2
    Word Originlate 19th cent.: modern Latin, from Greek mitos ‘thread’.