- any of various classes into which human blood can be divided according to immunological compatibility, based on the presence or absence of specific antigens on red blood cells.
Origin of blood group
First recorded in 1915–20
Also called blood type.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- any one of the various groups into which human blood is classified on the basis of its agglutinogensAlso called: blood type
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
- Any of several immunologically distinct, genetically determined classes of human blood that are based on the presence or absence of certain antigens, are clinically identified by characteristic agglutination reactions, and are important with respect to blood transfusions and organ transplantation.
- Blood type.
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