donor
/ˈdəʊnə(r)/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.来自富有捐赠国的贷款。
1.1
- a person who provides blood for transfusion, semen for insemination, or an organ or tissue for transplantation供血者; （人工授精的）捐精者; （器官或组织等的）供者, 供体。
1.2
- Chemistry an atom or molecule that provides a pair of electrons in forming a coordinate bond【化】给（予）体, 供体。
1.3
- Physics an impurity atom in a semiconductor which contributes a conducting electron to the material【物理】施主; 施主性杂质。
词源
Middle English: from Old French doneur, from Latin donator, from donare 'give'.