Definition of "donor" []

• One that contributes something, such as money, to a cause or fund. (noun)
• Medicine An individual from whom blood, tissue, or an organ is taken for transfusion, implantation, or transplant. (noun)
• 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. (noun)
• Electronics An element introduced into a semiconductor with a negative valence greater than that of the pure semiconductor. (noun)
• Medicine Used for transfusion, implantation, or transplant: a donor organ. (adjective)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "Throughout this article I have been careful to use the term "donor kidney," meaning one from an anonymous deceased donor, per the protocols of the national organ registry."
• "He is the title donor for one of the homes at the Weston"
• "I shall henceforth use the term donor-driven gender activism"