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Synonyms

rainfall

American  
[reyn-fawl] / ˈreɪnˌfɔl /

noun

rainfalls plural
  1. a fall or shower of rain.

  2. the amount of water falling in rain, snow, etc., within a given time and area, usually expressed as a hypothetical depth of coverage.

    a rainfall of 70 inches a year.


rainfall British  
/ ˈreɪnˌfɔːl /

noun

  1. precipitation in the form of raindrops

  2. meteorol the amount of precipitation in a specified place and time

"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

rainfall Scientific  
/ rānfôl′ /
  1. The quantity of water, usually expressed in millimeters or inches, that is precipitated in liquid form in a specified area and time interval. Rainfall is often considered to include solid precipitation such as snow, hail, and sleet as well.


Other Word Forms

Noun Inflected Forms

Etymology

Origin of rainfall

First recorded in 1840–50; rain + fall

Vocabulary lists containing rainfall

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

In June, groundwater levels were generally at or just below normal, having been topped up by winter rainfall but depleted by a drier spring in most regions.

From BBC Jul. 15, 2026

There is no single definition of drought, but it is ultimately caused by a prolonged period of low rainfall, which has knock-on effects for nature, agriculture and water supplies.

From BBC Jul. 15, 2026

For Southern California, that means a higher chance of above-average rainfall, risking a winter of flash floods and landslides.

From Los Angeles Times Jul. 13, 2026

At least 51 people have died and more than a million affected by heavy rainfall in Bangladesh in recent days.

From BBC Jul. 13, 2026

Quebrada Tacahuay, the other Science site, was closer to the shore but even drier: its average annual rainfall is less than a quarter inch.

From "1491" by Charles C. Mann

California has otherwise experienced a mild wildfire season, after dozens of atmospheric rivers pummeled the state earlier this year and delivered record rainfalls.

From Los Angeles Times Dec. 16, 2023

Peeling bark from cinnamon tree branches is easiest after heavy rainfalls, which soften the bark, so harvests typically happen after monsoon seasons.

From Salon Dec. 11, 2023

The research team considered how these urban land changes might affect weather extremes like heat waves, cold waves, heavy rainfalls and severe thunderstorms.

From Science Daily Nov. 10, 2023

Other parts of the country witnessed heavy rainfalls and floods.

From BBC Aug. 7, 2023

The rainy season in Sierra Leone falls between May and October, with the heaviest rainfalls in July, August, and September.

From "A Long Way Gone: Memoirs of a Boy Soldier" by Ishmael Beah

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