Wiktionary(0.00 / 0 votes)Rate this definition: 1  steal(Noun) The act of stealing. 2  steal(Noun) A piece of merchandise available at a very attractive price. 3  steal(Noun) A situation in which a defensive player actively takes possession of the ball or puck from the opponent's team. 4  steal(Noun) A stolen base.
Within the ABO/Rhesus Group systems which are used to classify most blood types, there are several rare blood types. The rarest is AB-, with less than one percent of the world's population having this blood type. B-and O-are also very rare, each accounting for less than 5% of the world's population.
Blood type. A blood type is a classification of blood based on the presence or absence of inherited antigenic substances on the surface of red blood cells. These antigens may be proteins, carbohydrates, glycoproteins, or glycolipids, depending on the blood group system. blood type is a classification of blood based on the presence or absence of inherited antigenic substances on the surface of red blood cells.