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  1. Oxford American Dictionary

    involution

    • IPA[ˌinvəˈlo͞oSHən]

    美式

    • n.
      the shrinkage of an organ in old age or when inactive, e.g. of the uterus after childbirth.；a function, transformation, or operator that is equal to its inverse, i.e. which gives the identity when applied to itself.

    • noun: involution, plural noun: involutions

    • 釋義

    名詞

    • 1. the shrinkage of an organ in old age or when inactive, e.g. of the uterus after childbirth.
    • 2. a function, transformation, or operator that is equal to its inverse, i.e. which gives the identity when applied to itself.
    • 3. formal the process of involving or complicating, or the state of being involved or complicated periods of artistic involution
    • 更多解釋

    involution

    • IPA[ɪnvəˈl(j)uːʃ(ə)n]

    英式

    • n.
      the shrinkage of an organ in old age or when inactive, e.g. of the uterus after childbirth.

    Oxford Dictionary