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We found 10 dictionaries with English definitions that include the word type o: Click on the first link on a line below to go directly to a page where "type o" is defined. General (8 matching dictionaries) type O: Vocabulary.com [home, info] type o: Dictionary.com [home, info] Type O-, Type O, Type-o: Wikipedia, the Free Encyclopedia [home, info] Type o: Rhymezone [home, info] type o: Free Dictionary [home, info] type o: Mnemonic Dictionary [home, info] type O: LookWAYup Translating Dictionary/Thesaurus [home, info] type O: Dictionary/thesaurus [home, info] Computing (1 matching dictionary) Type-o, type O: Encyclopedia [home, info] Slang (1 matching dictionary) Type O: Urban Dictionary [home, info]

Quick definitions from WordNet (Type o) ▸ noun:  the blood group whose red cells carry neither the A nor B antigens ("People with type O blood are universal donors")