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Synonyms

rainfall

American  
[rayn-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  
/ rān′fôl′ /
  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:

This latest decline is down not just to hot weather, which has been slightly mitigated by recent rainfall, but also a reduction in cultivated areas -- pared back 1.9 percent in the past year.

From Barron's ● Oct. 7, 2026

From August through October, meltwater and rainfall add mass to the oceans, pushing Earth's center of mass toward the South Pacific Ocean.

From Science Daily ● Oct. 7, 2026

The Environment Agency has previously said that 20% more rainfall than average is needed for at least seven months before all areas will be out of drought status.

From BBC ● Oct. 6, 2026

As a result, the complaint says, instead of snow in the winter, Boulder gets more “high-intensity, short-duration rainfall events” that overwhelm its drainage systems and cause flooding.

From Slate ● Oct. 5, 2026

In winter, when the flooding came, residents there would have to drive through the creek, which became impassable during heavy rainfall.

From "100 Sideways Miles" by Andrew Smith

Extreme rainfalls during the ongoing monsoon season are a major source of floods in several parts of India.

From BBC ● Sep. 8, 2025

Most notably, in May 2017, some 6 million cubic yards of earth moved after torrential rainfalls, adding 15 acres of coastline.

From New York Times ● Mar. 31, 2024

But there is also a possibility that climate change could lead to stronger El Niño and La Niña modulations, Xie said — making the strongest El Niño events even stronger, and extreme rainfalls more extreme.

From Los Angeles Times ● Dec. 18, 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 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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