noun
: the chain of hemoglobin that is designated beta and that when deficient or defective causes various anemias (as beta-thalassemia or sickle-cell anemia)
noun
: the chain of hemoglobin that is designated beta and that when deficient or defective causes various anemias (as beta-thalassemia or sickle-cell anemia)
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012