donor

views updated May 29 2018

do·nor / ˈdōnər/ • n. a person who donates something, esp. money to a fund or charity: an anonymous donor has given $25 | [as adj.] loans from rich donor countries. ∎  a person who provides blood for transfusion, semen for insemination, or an organ or tissue for transplantation. ∎  Chem. an atom or molecule that provides electrons in forming a coordinate bond. ∎  Physics an impurity atom in a semiconductor that contributes a conducting electron to the material.

donor

views updated May 14 2018

donor
1. (in surgery) An individual whose tissues or organs are transferred to another (the recipient). Donors may provide blood for transfusion or a kidney or heart for transplantation.

2. (in genetics) A cell that contributes genetic material for insertion into another cell, for example to produce a transgenic cell by genetic engineering.

3. (in chemistry) A chemical species (e.g. a molecule, group, or atom) that donates electrons, atoms, or groups to another chemical species.

donor

views updated Jun 08 2018

donor The bacterium from which the chromosome migrates during conjugation.

donor

views updated Jun 08 2018

donor (doh-ner) n. a person who makes his own tissues or organs available for use by someone else. For example, a donor may provide blood for transfusion or a kidney for transplantation. d. insemination see artificial insemination.

donor

views updated May 29 2018

donor see DONATE.

donor

views updated May 29 2018

donor See GRAFT.

Donor

views updated May 21 2018

DONOR

The party conferring a power. One who makes a gift. One who creates a trust.