do·nor
(d
n
r)
KEY
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.
ETYMOLOGY:
Middle English, from Anglo-Norman
donour, from Latin
dn
tor, from
dnre,
to give ; see
donation
