hydrology

[hahy-drol-uh-jee]

noun

the science dealing with the occurrence, circulation, distribution, and properties of the waters of the earth and its atmosphere.
hydrogeology; geohydrology.

Origin of hydrology

First recorded in 1755–65; hydro-¹ + -logy

Related formshy·dro·log·ic

[hahy-druh-loj-ik] /ˌhaɪ drəˈlɒdʒ ɪk/, hy·dro·log·i·cal, adjectivehy·dro·log·i·cal·ly, adverbhy·drol·o·gist, noun

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for hydrology

Historical Examples of hydrology

The writer was evidently in total ignorance of the laws of hydrology.
Bible Romances
George W. Foote
The subject is closely related to geography, climatology, sedimentation, and hydrology.
The Economic Aspect of Geology
C. K. Leith
Hydrology, hī-drol′o-ji, n. the science which treats of water.
Chambers's Twentieth Century Dictionary (part 2 of 4: E-M)
Various

British Dictionary definitions for hydrology

hydrology

noun

the study of the distribution, conservation, use, etc, of the water of the earth and its atmosphere, particularly at the land surface

Derived Formshydrologic (ˌhaɪdrəˈlɒdʒɪk) or hydrological, adjectivehydrologically, adverbhydrologist, noun

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for hydrology

1762, from hydro- + -logy. Related: Hydrologist; hydrological (1660s).

hydrology in Science

hydrology

[hī-drŏl′ə-jē]

The scientific study of the properties, distribution, and effects of water as a liquid, solid, or gas on the Earth's surface, in the soil and underlying rocks, and in the atmosphere.