We found 21 dictionaries that define the word abo system:

General (17 matching dictionaries)

1. ABO system: Merriam-Webster
2. ABO system: Oxford Learner's Dictionaries
3. ABO system: American Heritage Dictionary of the English Language
4. ABO system: Collins English Dictionary
5. ABO system: Vocabulary.com
6. ABO system: Cambridge Advanced Learner's Dictionary
7. ABO system: The Wordsmyth English Dictionary-Thesaurus
8. ABO system: Infoplease Dictionary
9. ABO system: Dictionary.com
10. ABO system: Wikipedia, the Free Encyclopedia
11. Abo system: Rhymezone
12. abo system: FreeDictionary.org
13. abo system: Mnemonic Dictionary
14. ABO system: TheFreeDictionary.com
15. ABO system: Merriam-Webster

Business (1 matching dictionary)

16. ABO system: Financial dictionary

Computing (1 matching dictionary)

17. ABO system: Encyclopedia

Medicine (2 matching dictionaries)

18. ABO system: Merriam-Webster Medical Dictionary
19. ABO system: Medical dictionary

(Note: See abo_systems as well.)

Definitions from WordNet (Abo system) ▸ noun:  a classification system for the antigens of human blood; used in blood transfusion therapy; four groups are A and B and AB and O Opposite: Rh factor, Rh blood group, Rh factor system Phrases: ABO blood group system, more... ▸ Words similar to abo system ▸ Usage examples for abo system ▸ Idioms related to abo system ▸ Wikipedia articles (New!) ▸ Words that often appear near abo system ▸ Rhymes of abo system ▸ Invented words related to abo system