Dictionary.com

rainout

or rain-out

[ reyn-out ]
/ ˈreɪnˌaʊt /

noun

a contest, performance, or the like, that has been rained out.
Also called washout. the removal of radioactive particles or other foreign substances from the atmosphere by precipitation.

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Origin of rainout

1945–50, Americanism; noun use of verb phrase rain out

Words nearby rainout

Rainier III, raining cats and dogs, rainmaker, rain on one's parade, rain or shine, rainout, rainproof, rains, rain shadow, rain shower, rainsquall
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

British Dictionary definitions for rainout

rainout
/ (ˈreɪnˌaʊt) /

noun

radioactive fallout or atmospheric pollution carried to the earth by rain
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

Idioms and Phrases with rainout

rain out

Force the cancellation or postponement of some event owing to bad weather. For example, Our picnic was rained out, but we hope to have it next week. [1920s]

The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.