hydrology

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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

hydrologic

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adjective

hy·​dro·​log·​ic ¦hīdrə¦läjik 

variants or hydrological

-jə̇kəl 

: of or relating to hydrology

hydrologically

-jə̇k(ə)lē 

adverb

Examples of hydrology in a Sentence

Recent Examples on the Web

Noun

The most compelling explanation so far comes from Nepal’s hydrology department. — Milad Haghani, Scientific American, 27 Aug. 2026

Road construction can disturb natural hydrology, Groetzinger said. — Sarah Henry, AZCentral.com, 21 Aug. 2026

Serbian hydrology expert Dejan Vladikovic said the current drought is the combination of a lack of winter snow and a very dry spring. — CBS News, 20 Aug. 2026

Edmund Howe served as chief of hydrology & hydraulics for the Little Rock Corps of Engineers from December 2016 until April 2026. — Arkansas Online, 9 Aug. 2026

Word History

Etymology

Noun

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

Adjective

hydrologic International Scientific Vocabulary hydrology + -ic; hydrological from New Latin hydrologia hydrology + English -ical

First Known Use

Noun

1762, in the meaning defined above

Rhymes for hydrology

• anthology
• apology
• astrology
• biology
• christology
• chronology
• conchology
• cosmology
• cryptology
• cytology
• doxology
• ecology

Kids Definition

hydrology

noun

hy·​drol·​o·​gy hī-ˈdräl-ə-jē 

: a science dealing with the characteristics, distribution, and circulation of water on and below the surface of the land and in the atmosphere

hydrologic

ˌhī-drə-ˈläj-ik 

adjective

or hydrological

-i-kəl 

hydrologist

hī-ˈdräl-ə-jist 

noun

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