bio Syllabification: (bi·o)Pronunciation: /ˈbīō/ informalDefinition of bio noun (plural bios) 1biology: [as modifier]:he dated a bio major in college 2a biography:the latest in a series of unauthorized bios adjective 1biological:studying the effects of bio treatment 2biographical:it was excluded from her official bio materialOrigin: mid 20th century: abbreviationbio in other Oxford dictionaries Definition of bio in the British & World English dictionary
