hydrology
noun
hy·drol·o·gy hī-ˈdrä-lə-jē 
: a science dealing with the properties, distribution, and circulation of water on and below the earth's surface and in the atmosphere
hydrologic
ˌhī-drə-ˈlä-jik
adjective or hydrological
ˌhī-drə-ˈlä-ji-kəl
hydrologically
ˌhī-drə-ˈlä-ji-k(ə-)lē
adverb hydrologist
hī-ˈdrä-lə-jist
noun 
Example Sentences
Recent Examples on the Web The rainfall last week resulted in the biggest 24-hour event seen in the past 50 years of recording in Kentucky's Robinson Forest, Chris Barton, a professor of water hydrology and forest management at the University of Kentucky, told ABC News. 
Melissa Griffin, ABC News, 3 Aug. 2022 Williams is the first to admit hydrology is not an exact science. Julie Jag, The Salt Lake Tribune, 25 Aug. 2022 But climate change has transformed the river’s hydrology, providing less snowmelt and causing hotter temperatures and more evaporation. Sam Metz And Felicia Fonseca, Chicago Tribune, 15 Aug. 2022 David Boutt, professor of hydrology at the University of Massachusetts, said that drought has become more common in the region over the past several decades, even as Massachusetts has experienced more rainfall overall. Nick Stoico, BostonGlobe.com, 27 July 2022 The yearlong study, in partnership with the San Antonio River Authority, will identify engineering, hydrology, permitting and property acquisition issues and final cost projections. Scott Huddleston, San Antonio Express-News, 12 July 2022 The grove closed in July 2015 to improve hydrology for the big trees and the visitor experience at the site, according to a park announcement Thursday. Alex Wigglesworth, Los Angeles Times, 10 July 2022 The climate crisis is critically altering the Arizona park's ecosystems, habitats for species, as well as its hydrology, Nebel told CNN. Rachel Ramirez, CNN, 2 July 2022 Soil and hydrology studies are underway at the shopping mall site, and the results should be available in a few weeks. Phil Diehl, San Diego Union-Tribune, 29 May 2022 See More
Melissa Griffin, ABC News, 3 Aug. 2022 Williams is the first to admit hydrology is not an exact science. Julie Jag, The Salt Lake Tribune, 25 Aug. 2022 But climate change has transformed the river’s hydrology, providing less snowmelt and causing hotter temperatures and more evaporation. Sam Metz And Felicia Fonseca, Chicago Tribune, 15 Aug. 2022 David Boutt, professor of hydrology at the University of Massachusetts, said that drought has become more common in the region over the past several decades, even as Massachusetts has experienced more rainfall overall. Nick Stoico, BostonGlobe.com, 27 July 2022 The yearlong study, in partnership with the San Antonio River Authority, will identify engineering, hydrology, permitting and property acquisition issues and final cost projections. Scott Huddleston, San Antonio Express-News, 12 July 2022 The grove closed in July 2015 to improve hydrology for the big trees and the visitor experience at the site, according to a park announcement Thursday. Alex Wigglesworth, Los Angeles Times, 10 July 2022 The climate crisis is critically altering the Arizona park's ecosystems, habitats for species, as well as its hydrology, Nebel told CNN. Rachel Ramirez, CNN, 2 July 2022 Soil and hydrology studies are underway at the shopping mall site, and the results should be available in a few weeks. Phil Diehl, San Diego Union-Tribune, 29 May 2022 See More Word History
Etymology
New Latin hydrologia, from Latin hydr- + -logia -logy
First Known Use
1762, in the meaning defined above
Medical Definition
hydrology
noun
hy·drol·o·gy hī-ˈdräl-ə-jē
plural hydrologies
: the body of medical knowledge and practice concerned with the therapeutic use of bathing and water