a suffix of comparatives appearing in words of Latin origin:
superior; ulterior; junior.
immature oocyte retrieval
[ee-oh] /ˈi oʊ/ noun, plural ios. 1. a small hawk, Buteo solitarius, having two plumage phases and occurring only on the island of Hawaii, where it is a rare species and the only living indigenous bird of prey. [ahy-oh, ee-oh] /ˈaɪ oʊ, ˈi oʊ/ noun, plural Ios. 1. . [ahy-oh, ee-oh] /ˈaɪ oʊ, ˈi oʊ/ […]
International Oncology Study Group
Institution of Occupational Safety and Health