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donor
The definition of a donor is someone who gives something away or makes a gift.
(noun)- A person who gives $100 to charity is an example of a donor.
- A person who gives his blood in a blood drive to be used when transfusions are needed is an example of a blood donor.
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See donor in Webster's New World College Dictionary
noun
- a person who donates; giver
- one from whom blood for transfusion, tissue for grafting, etc. is taken
- an atom that contributes a pair of electrons to another atom to form a covalent bond with it
Origin: ME & Anglo-Fr donour < L donator
See donor in American Heritage Dictionary 4
noun
- One that contributes something, such as money, to a cause or fund.
- Medicine An individual from whom blood, tissue, or an organ is taken for transfusion, implantation, or transplant.
- Chemistry An atom, molecule, or ion that provides a part to combine with an acceptor, especially an atom that provides two electrons to form a bond with another atom.
- Electronics An element introduced into a semiconductor with a negative valence greater than that of the pure semiconductor.
Medicine
Used for transfusion, implantation, or transplant: a donor organ.
Origin:
Origin: Middle English
Origin: , from Anglo-Norman donour
Origin: , from Latin dōnātor
Origin: , from dōnāre, to give; see donation
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