Meaning of the word "blood group" in English

What does "blood group" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

blood group

US /ˈblʌd ˌɡruːp/
UK /ˈblʌd ˌɡruːp/

Noun

any of the various types of human blood, classified according to the presence or absence of certain antigens on the surface of the red blood cells

Example:
What's your blood group?
It's important to know your blood group in case of an emergency.