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blood group

noun, Medicine/Medical
1.
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.
Also called blood type.
Compare ABO system, Rh factor.
Origin
1915-1920
1915-20
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for blood group
  • They have to go and check the blood group of the husband.
  • One bank has asked its top people to declare their blood group.
  • The antibodies involved can be directed against one or more of hundreds of known blood group antigens.
  • The blood group work may be the first time that investigators had to set a policy on informing subjects.
British Dictionary definitions for blood group

blood group

noun
1.
any one of the various groups into which human blood is classified on the basis of its agglutinogens Also 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
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blood group in Medicine

blood group n.

  1. 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.

  2. Blood type.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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blood group in Science
blood group  
See blood type.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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blood group in Culture

blood group definition


See blood type.

The American Heritage® New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Encyclopedia Article for blood group

classification of blood based on inherited differences (polymorphisms) in antigens on the surfaces of the red blood cells (erythrocytes). Inherited differences of white blood cells (leukocytes), platelets (thrombocytes), and plasma proteins also constitute blood groups, but they are not included in this discussion.

Learn more about blood group with a free trial on Britannica.com
Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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