hydr(o)-
combining form /haɪdrəʊ/, /haɪdrə/, /haɪˈdrɒ/
/haɪdrəʊ/, /haɪdrə/, /haɪˈdrɑː/
in nouns, adjectives and adverbs- relating to water
- hydroelectricity
- (chemistry) combined with hydrogen
- hydrochloric acid
Word Originfrom Greek hudōr ‘water’.