As an initialism abo is
(medicine) the most important blood type classification system for human blood transfusions.
rhsystem
Not English
Rhsystem has no English definition. It may be misspelled. abo
English
Alternative forms
* Abo
Noun
(
en noun)
(Australia, offensive, ethnic slur, slang) An aborigine; aboriginal.
Synonyms
* boong
* gin (female Aborigine)
* Jacky
* lubra (female Aborigine)
* Mary (female Aborigine)
Anagrams
*
*
*
*