Synonyms

blood group

American

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.

blood group British

noun

Also called: blood type. any one of the various groups into which human blood is classified on the basis of its agglutinogens

"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

blood group Scientific

See blood type

blood group Cultural

See blood type.

Etymology

Origin of blood group

First recorded in 1915–20

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

blood group

According to JPAC, autologous donation is only recommended for patients with rare blood groups or who have multiple blood group antibodies.

From BBC ● Apr. 12, 2026

Red blood cells from blood group O are the only type that can be used by all receiving patients regardless of ABO type.

From Science Daily ● Apr. 29, 2024

The Helgeson blood group has been a mystery that has eluded the research world for a long time.

From Science Daily ● Sep. 29, 2023

At the moment, there are only three units of the "Bombay" blood group - first identified in India - in stock across the whole of the UK.

From BBC ● Nov. 6, 2022

Most people know about blood group ABO, with its positives and negatives, but they aren’t the only types.

From Seattle Times ● Oct. 11, 2022

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023