io From WikiWord, the free dictionary /ˈaɪəʊ/ English Contents DefinitionsRelated wordsReferences DefinitionsnounA type of moth, the io moth.interjectionAn exclamation of joy or triumph. Related wordsSynonymsisbnmpidepfadidenticdinputoutputthroughputdataflowreadwritetransfertransmissiontrafficcommunicationRhymesbriocryo-capital of ohiobryo-ghioinbioy oai auai obi o References Wiktionary — io Wikipedia — io