definitions

blood group

SEE MORE SYNONYMS FOR blood group ON THESAURUS.COM

noun Medicine/Medical.

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.

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RELATED WORDS

Rh-negative, Rh-positive, antigen

Nearby words

blood dyscrasia, blood feud, blood fluke, blood gas, blood gas analysis, blood group, blood group antigen, blood group-specific substances a and b, blood grouping, blood groups, blood guilt
Compare ABO system, Rh factor.

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. 2019

British Dictionary definitions for blood group

blood group

noun

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

Medicine definitions for blood group

blood group

n.

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.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Science definitions for blood group

blood group

See blood type.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Culture definitions for blood group

blood group

See blood type.

The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.