the study of the distribution, conservation, use, etc, of the water of the earth and its atmosphere, particularly at the land surface
Derived forms
hydrologic (ˌhaɪdrəˈlɒdʒɪk) or hydrological (ˌhydroˈlogical)
adjective
hydrologically (ˌhydroˈlogically)
adverb
hydrologist (hyˈdrologist)
noun
hydrology in American English
(haɪˈdrɑlədʒi)
noun
the science dealing with the waters of the earth, their distribution on the surface and underground, and the cycle involving evaporation, precipitation, flow to the seas, etc.
Derived forms
hydrologic (ˌhydroˈlogic) (ˌhaɪdrəˈlɑdʒɪk)
adjective or ˌhydroˈlogical
hydrologist (hyˈdrologist)
noun
Word origin
ModL hydrologia: see hydro- & -logy
Examples of 'hydrology' in a sentence
hydrology
He had already done everything he could using conventional knowledge of geology and hydrology.