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  1. Oxford American Dictionary

    natural history

    • IPA[ˌnaCHər(ə)l ˈhist(ə)rē]

    美式

    • n.
      the scientific study of animals or plants, especially as concerned with observation rather than experiment, and presented in popular rather than academic form.；the study of the whole natural world, including mineralogy and paleontology.

    • noun: natural history

    • 釋義

    名詞

    • 1. the scientific study of animals or plants, especially as concerned with observation rather than experiment, and presented in popular rather than academic form.
    • ▪ the study of the whole natural world, including mineralogy and paleontology.
    • 2. the usual course of development of a disease or condition, especially in the absence of treatment the natural history of cancerous tumors