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.

Any possible donor must be aged between 18 and 50, and in blood group O. They can either be positive or negative.

From BBC • Feb. 23, 2024

However, small differences in these molecules have been shown to be due to genetic variants that encode what we know as blood group antigens.

From Science Daily • Sep. 29, 2023

What has not been understood until now is why people with the same blood group can have different amounts of a certain blood group antigen on their red blood cells.

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

By using DNA sequencing and gene-editing techniques, the researchers showed that Piezo1 is the carrier for these sites and established Er as a new blood group system.

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