Medical Dictionary

donor

noun do·nor \ˈdō-nər, -ˌn(ə)r\

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

Browse

May 26, 2015
sacrilegious Hear it
grossly irreverent
Take a 3-minute break and test your skills!
How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears