ˈblood group BrE AmE noun [countable]
especially British English one of the classes into which human blood can be separated, including A, B, AB, and O SYN blood type American English
ˈblood group BrE AmE noun [countable]
especially British English one of the classes into which human blood can be separated, including A, B, AB, and O SYN blood type American English
Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012