hy·​drol·​o·​gy | \ hī-ˈdrä-lə-jē How to pronounce hydrology (audio) \

Definition of hydrology

: a science dealing with the properties, distribution, and circulation of water on and below the earth's surface and in the atmosphere

Keep scrolling for more

Other Words from hydrology

hydrologic \ ˌhī-​drə-​ˈlä-​jik How to pronounce hydrologic (audio) \ or hydrological \ ˌhī-​drə-​ˈlä-​ji-​kəl How to pronounce hydrological (audio) \ adjective
hydrologically \ ˌhī-​drə-​ˈlä-​ji-​k(ə-​)lē How to pronounce hydrologically (audio) \ adverb
hydrologist \ hī-​ˈdrä-​lə-​jist How to pronounce hydrologist (audio) \ noun

Examples of hydrology in a Sentence

Recent Examples on the Web

May’s record-setting torrential rainfall was a catalyst for Lake Michigan’s surge in water levels, said Keith Kompoltowicz chief of watershed hydrology with the U.S. Army Corps of Engineers’ district office in Detroit. Javonte Anderson, chicagotribune.com, "Lake Michigan water levels on pace to reach record high in June, skirt records into fall," 17 June 2019 Meselhe is one of the country’s foremost experts on coastal hydrology and sediment transportation. Beau Evans, nola.com, "Coastal restoration scientists arrested on trade-secret theft allegations," 5 June 2019 But the heaviest carnage came with changes in the natural hydrology of the rivers and other waterways inhabited by alligator gar — changes that shore-circuited the fishes’ reproduction. Shannon Tompkins, Houston Chronicle, "Gars’ fortunes, anglers’ attitudes evolve over the years," 9 June 2018 Over time, the data can show whether an area’s hydrology — how water moves on land — is changing. Sarah Meehan, baltimoresun.com, "How surveyors track high water marks throughout Maryland after flooding — and what that data is used for," 31 May 2018 Letsinger said this will severely impact the hydrology of the area. Emily Hopkins, Indianapolis Star, "In Hendricks County, Ronald Reagan Parkway extension pits science against growth," 9 July 2018 The sediment released from logging changed the area’s hydrology, causing four distinct areas to merge together into one giant swamp. Shanna Baker, Smithsonian, "The Quest to Preserve the Last of Castro’s Crocodiles," 21 June 2018 Changes in river hydrology wrought by construction of dams and manipulation of water levels to reduce flooding have made good reproduction conditions for alligator gar increasingly rare. Shannon Tompkins, Houston Chronicle, "Gars’ fortunes, anglers’ attitudes evolve over the years," 9 June 2018 Desalination Adriana Bruggeman, a professor of hydrology and water management at the Cyprus Institute, a research organization, said no matter what civilians do to conserve water, there is simply not enough of the natural resource to fill the need. NBC News, "Cyprus turns off taps to farmers as fresh water levels drop," 22 June 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'hydrology.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

See More

First Known Use of hydrology

1762, in the meaning defined above

History and Etymology for hydrology

New Latin hydrologia, from Latin hydr- + -logia -logy

Keep scrolling for more

Learn More about hydrology

Statistics for hydrology

Last Updated

9 Jul 2019

Look-up Popularity

Time Traveler for hydrology

The first known use of hydrology was in 1762

See more words from the same year

Keep scrolling for more

More Definitions for hydrology


hy·​drol·​o·​gy | \ hī-ˈdräl-ə-jē How to pronounce hydrology (audio) \
plural hydrologies

Medical Definition of hydrology

: the body of medical knowledge and practice concerned with the therapeutic use of bathing and water

More from Merriam-Webster on hydrology

Britannica.com: Encyclopedia article about hydrology

Comments on hydrology

What made you want to look up hydrology? Please tell us where you read or heard it (including the quote, if possible).


a small bunch of flowers

Get Word of the Day daily email!

Test Your Vocabulary

Farm Idioms Quiz

  • cow coming home
  • What does 'poke' refer to in the expression 'pig in a poke'?
True or False

Test your knowledge - and maybe learn something along the way.

Add Diction

Test Your Knowledge - and learn some interesting things along the way.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!