ABO blood group

noun

: any of the four blood groups A, B, AB, and O comprising the ABO system

Examples of ABO blood group in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The ABO blood group system is only one of many—with the new French research bringing that total to 48. Sarah Kuta, Smithsonian Magazine, 24 June 2025

Word History

First Known Use

1949, in the meaning defined above

Time Traveler
The first known use of ABO blood group was in 1949

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Cite this Entry

“ABO blood group.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ABO%20blood%20group. Accessed 19 Jul. 2025.

Medical Definition

ABO blood group

noun
: one of the four blood groups A, B, AB, or O comprising the ABO system
Last Updated: - Updated example sentences
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