Толковый словарь английского языка - donor
Donor
donor
noun Etymology: Middle English donoure, from Anglo-French doneur, from Latin donator, from donare Date: 15th century one that gives, donates, or presents something, one used as a source of biological material (as blood or an organ), 3. a compound capable of giving up a part (as an atom, chemical group, or subatomic particle) for combination with an acceptor, an impurity added to a semiconductor to increase the number of mobile electrons
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1.
n. 1 a person who gives or donates something (e.g. to a charity). 2 one who provides blood for a transfusion, semen for insemination, or an organ or tissue for transplantation. 3 Chem. an atom or molecule that provides a pair of electrons in forming a coordinate bond. 4 Physics an impurity atom in a semiconductor which contributes a conducting electron to the material. Phrases and idioms donor card an official card authorizing use of organs for transplant, carried by the donor. Etymology: ME f. AF donour, OF doneur f. L donator -oris f. donare give ...Толковый словарь английского языка Oxford English Reference
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