'Hydrology' definitions:
Definition of 'hydrology'
(from WordNet)
noun
The branch of geology that studies water on the earth and in the atmosphere: its distribution and uses and conservation
Definition of 'Hydrology'
From: GCIDE
- Hydrology \Hy*drol"o*gy\, n. [Hydro-, 1 + -logy: cf. F. hydrologie.] The science of water, its properties, phenomena, and distribution over the earth's surface. [1913 Webster]