hydrologic cycle

noun

Definition of hydrologic cycle 

: the sequence of conditions through which water passes from vapor in the atmosphere through precipitation upon land or water surfaces and ultimately back into the atmosphere as a result of evaporation and transpiration

called also hydrological cycle

Examples of hydrologic cycle in a Sentence

Recent Examples on the Web

In particular, there are worries deforestation will upset the hydrologic cycle in certain places, threatening water supplies and hydroelectric power generation. The Economist, "Colombia’s national survey of its biodiversity is ambitious," 17 May 2018 In fact, Earth was previously Hoth-like as recently as 700 million years ago: Ice expanded all the way to the equator, and there was no hydrologic cycle because the oceans were frozen over. Scott Denning, Washington Post, "May the 4th be with Earth, a perfect planet that’s not too Hoth or Tatooine," 4 May 2018 After Earth’s oceans froze over completely, the hydrologic cycle shut down, and C02 removal from the atmosphere stopped. Scott Denning, Washington Post, "May the 4th be with Earth, a perfect planet that’s not too Hoth or Tatooine," 4 May 2018

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

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First Known Use of hydrologic cycle

1936, in the meaning defined above

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Dictionary Entries near hydrologic cycle

hydrolatry

Hydrolea

hydrolith

hydrologic cycle

hydrology

hydrolube

hydrolymph

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The first known use of hydrologic cycle was in 1936

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