ondometer, one gene one enzyme hypothesis, one-grop, one-pass, one-used, one-way, onflow, onion, onset, onshore, ontogenesis, oocyte, oogamy, oogenesis, oosperm, oosphere, oospore, ooze, opacity, open, open circulatory system, opening, operating, operation, operator, ophidian, ophiuroidea, ophthalmopathia, opinion, opium - English-Kazakh Ecological Dictionary - Казахские словари