noun
rainfall
noun
1
The amount of rain that falls in a given place over a given period.
"Annual rainfall in the region has dropped sharply over the past decade."
"Heavy rainfall caused flooding across the valley."
How to Use Rainfall
Learner’s notesIn plain EnglishHow much rain falls somewhere, usually measured over a day, month, or year.
Common pairings
average rainfall
heavy rainfall
annual rainfall
Word Forms
rainfalls plural
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Annual _____ in the region has dropped sharply over the past decade.
Etymology
From "rain" + "fall" — literally the falling of rain, later used for the measured amount that falls.