rainfall

noun rain·fall \ -ˌfȯl \

Definition of rainfall

1 :the amount of precipitation usually measured by the depth in inches
2 :rain 2a

Examples of rainfall in a Sentence

  1. This area has an average annual rainfall of 12 inches.

  2. an increase in annual rainfall

Recent Examples of rainfall from the Web

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

First Known Use of rainfall

1817


RAINFALL Defined for English Language Learners

rainfall

noun

Definition of rainfall for English Language Learners

  • : the amount of rain that falls on a particular area


RAINFALL Defined for Kids

rainfall

noun rain·fall \ ˈrān-ˌfȯl \

Definition of rainfall for Students

1 :1rain 2
2 :amount of precipitation
  • Their average annual rainfall is 80 centimeters.


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