See also: υδρο-, Ύδρο, and ὑδρο- Greek Pronunciation IPA(key): /iˈðɾo/ Prefix υδρό- • (ydró-) Alternative form of υδρο- (ydro-) Derived terms Greek terms prefixed with υδρό- Greek terms prefixed with υδρο- Greek terms prefixed with υδρ-Wikiwand - on Seamless Wikipedia browsing. On steroids.