HYDRO-


Meaning of HYDRO- in English

(also hydr- before a vowel)

■ combining form

1》 water; relating to water: hydraulic.

↘ Medicine affected with an accumulation of serous fluid: hydrocephalus.

2》 Chemistry combined with hydrogen: hydrocarbon.

Origin

from Gk hudōr 'water'.

Concise Oxford English vocab.      Сжатый оксфордский словарь английского языка.