Quantcast
Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Medical
  • Scrabble
  • Spanish Central
  • Learner's Dictionary

donor

play
noun do·nor \ˈdō-nər, -ˌnȯr\

Simple Definition of donor

  • : 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. 1 :  one that gives, donates, or presents something

  2. 2 :  one used as a source of biological material (as blood or an organ)

  3. 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 Defined for Kids

donor

play
noun do·nor \ˈdō-nər\

Definition of donor

  1. :  a person who donates




Medical Dictionary

donor

play play
noun do·nor \ˈdō-nər, -ˌnȯ(ə)r\

Medical Definition of donor

  1. 1:  one used as a source of biological material (as blood or an organ)

  2. 2:  a compound capable of giving up a part (as an atom, chemical group, or elementary particle) for combination with an acceptor





Seen and Heard

What made you want to look up donor? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

February 8, 2016

to clear from accusation or blame

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

image1037863653

Which of the following refers to thin, bending ice, or to the act of running over such ice?

pince-nez spindrift duvet kittly-benders
Name That Thing

10 quick questions: hear them, spell them, and see how your skills compare to the crowd.

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ