The third largest desert in the world, and the largest non-polar desert is the Sahara. Situated in North Africa, the Sahara makes up parts of Algeria, Chad, Egypt, Eritrea, Libya, Mali, Mauritania, Morocco, Niger, Sudan, Tunisia, and Western Sahara. The Sahara Desert spans over 9,400,000 square kilometers across the continent, and is the world's hottest desert.
âº A donor is also someone who gives blood or who agrees to give an organ or body part to help someone else. (Definition of âdonorâ from the Cambridge Academic Content Dictionary Â© Cambridge University Press)
Definition of universal donor in the English dictionary The definition of universal donor in the dictionary is a person who has blood of group O and whose blood may be safely transfused to persons with most other blood types.