donor

donor
[ˈdəʊnə, -nɔː]
noun
  1. a person who donates something, especially money to a fund or charity
    捐赠者
    an anonymous donor has given £25.
    一位匿名捐赠者捐了25英镑。
    [as modifier]loans from rich donor countries.
    来自富有捐献国的贷款。
    ■a person who provides blood for transfusion, semen for insemination, or an organ or tissue for transplantation
    献血者；捐精者；器官（或组织）捐献者
    ■(Chemistry)an atom or molecule that provides a pair of electrons in forming a coordinate bond
    (化)给（予）体，供体
    ■(Physics)an impurity atom in a semiconductor which contributes a conducting electron to the material
    (物理)施主；施主性杂质
语源
  1. Middle English: from Old French doneur, from Latin donator, from donare 'give'
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