moiety

moiety
[ˈmɔɪɪti]
(pl. -ies)
  1. (formal or technical)each of two parts into which a thing is or can be divided
    (正式或技)部分（指一物两个组成部分之一）
    ■(Anthropology)each of two social or ritual groups into which a people is divided, especially among Australian Aboriginals and some American Indians
    (人类学)（尤指澳大利亚土著和某些美国印第安人）半偶族，半部族
    ■a part or portion, especially a lesser share
    （尤指更小的）份额，比例
    ■(Chemistry)a distinct part of a large molecule
    (化)部分，半个
    the enzyme removes the sulphate moiety.
    该酶清除了硫酸盐构成的部分。
语源
  1. late Middle English: from Old French moite, from Latin medietas 'middle', from medius 'mid, middle'
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