Dictionary
3 ENTRIES FOUND:

donor

noun do·nor \ˈdō-nər, -ˌnr\

: a person or group that gives something (such as money, food, or clothes) in order to help a person or organization

: a person who gives something (such as blood or a body organ) so that it can be given to someone who needs it

Full Definition of DONOR

1
:  one that gives, donates, or presents something
2
:  one used as a source of biological material (as blood or an organ)
3
a :  a compound capable of giving up a part (as an atom, chemical group, or subatomic particle) for combination with an acceptor
b :  an impurity added to a semiconductor to increase the number of mobile electrons

Examples of DONOR

  1. The money was raised from individual donors.
  2. She is one of the charity's major donors.

Origin of DONOR

Middle English donoure, from Anglo-French doneur, from Latin donator, from donare
First Known Use: 15th century

donor

noun do·nor \ˈdō-nər, -ˌn(ə)r\   (Medical Dictionary)

Medical Definition of DONOR

1
:  one used as a source of biological material (as blood or an organ)
2
:  a compound capable of giving up a part (as an atom, chemical group, or elementary particle) for combination with an acceptor

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