What is Hemoglobin?

Hemoglobin definition and meaning on Dictionary terms:
noun Biochemistry.
the oxygen-carrying pigment of red blood cells that gives them their red color and serves to convey oxygen to the tissues: occurs in reduced form (deoxyhemoglobin) in venous blood and in combination with oxygen (oxyhemoglobin) in arterial blood. Symbol: Hb


reference: www.dictionary.com/browse/hemoglobin