rain out


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.
Also, rain-out.
Compare fallout.

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

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water that is condensed from the aqueous vapor in the atmosphere and falls to earth in drops more than 1/50 inch (0.5 mm) in diameter. Compare drizzle ( def 6 ).
a rainfall, rainstorm, or shower: We had a light rain this afternoon.
rains, the rainy season; seasonal rainfall, as in India.
weather marked by steady or frequent rainfall: We had rain most of last summer.
a heavy and continuous descent or inflicting of anything: a rain of blows; a rain of vituperation.
verb (used without object)
(of rain) to fall (usually used impersonally with it as subject): It rained all night.
to fall like rain: Tears rained from their eyes.
to send down rain: The lightning flashed and the sky rained on us in torrents.
verb (used with object)
to send down in great quantities, as small pieces or objects: People on rooftops rained confetti on the parade.
to offer, bestow, or give in great quantity: to rain favors upon a person.
to deal, hurl, fire, etc., repeatedly: to rain blows on someone's head.
Verb phrases
rain out, to cause, by raining, the cancellation or postponement of a sports event, performance, or the like: The double-header was rained out yesterday.
rain cats and dogs, Informal. to rain very heavily or steadily: We canceled our picnic because it rained cats and dogs.

before 900; (noun) Middle English rein; Old English regn, rēn, cognate with Dutch, German regen, Old Norse regn, Gothic rign; (v.) Middle English reinen, Old English regnian

rainless, adjective
rainlessness, noun

rain, reign, rein.

10. lavish, shower, pour.
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Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
rain (reɪn)
1.  a.  precipitation from clouds in the form of drops of water, formed by the condensation of water vapour in the atmosphere
 b.  a fall of rain; shower
 c.  (in combination): a raindrop Related: hyetal, pluvious
2.  a large quantity of anything falling rapidly or in quick succession: a rain of abuse
3.  rain or shine, come rain or shine
 a.  regardless of the weather
 b.  regardless of circumstances
4.  informal (Brit) right as rain perfectly all right; perfectly fit
vb (often with it as subject)
5.  (intr; with it as subject) to be the case that rain is falling
6.  to fall or cause to fall like rain: the lid flew off and popcorn rained on everyone
7.  (tr) to bestow in large measure: to rain abuse on someone
8.  informal rain cats and dogs to rain heavily; pour
9.  rained off cancelled or postponed on account of rain
Related: hyetal, pluvious
[Old English regn; related to Old Frisian rein, Old High German regan, Gothic rign]

rainout (ˈreɪnˌaʊt)
radioactive fallout or atmospheric pollution carried to the earth by rain

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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Word Origin & History

O.E. regn, from P.Gmc. *regna- (cf. O.S. regan, O.N. regn, O.Fris. rein, M.Du. reghen, Ger. regen, Goth. rign "rain"), with no certain cognates outside Gmc., unless it is from a presumed PIE *reg- "moist, wet," which may be the source of L. rigare "to wet, moisten" (cf.
irrigate). The verb is O.E. regnian, usually contracted to rinan. Transf. and fig. use of other things that fall as rain (blessings, tears, etc.) is recorded from c.1200. Rainbow is O.E. renboga (common Gmc. compound, cf. O.N. regnbogi, Du. regenboog, see bow (n.)). Raindrop is O.E. rendropa; first record of raincheck is from 1884, originally of tickets to rained-out baseball games. Raincoat attested from 1830. Rainmaker first recorded 1775, in ref. to tribal magicians. Phrase to rain cats and dogs is attested from 1738 (variation rain dogs and polecats is from 1652), of unknown origin, despite intense speculation. One of the more idiotic assertions is that it refers to pets sliding off sod roofs when the sod got too wet during a rainstorm. Ever see a cat react to a rainstorm by climbing up on an exposed roof? To rain on (someone's) parade is attested from 1941.
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Science Dictionary
rain   (rān)  Pronunciation Key 
Water that condenses from water vapor in the atmosphere and falls to Earth as separate drops from clouds. Rain forms primarily in three ways: at weather fronts, when the water vapor in the warmer mass of air cools and condenses; along mountain ranges, when a warm mass of air is forced to rise over a mountain and its water vapor cools and condenses; and by convection in hot climates, when the water vapor in suddenly rising masses of warm air cools and condenses. See also hydrologic cycle.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Bible Dictionary

Rain definition

There are three Hebrew words used to denote the rains of different seasons, (1.) Yoreh (Hos. 6:3), or moreh (Joel 2:23), denoting the former or the early rain. (2.) Melqosh, the "latter rain" (Prov. 16:15). (3.) Geshem, the winter rain, "the rains." The heavy winter rain is mentioned in Gen. 7:12; Ezra 10:9; Cant. 2:11. The "early" or "former" rains commence in autumn in the latter part of October or beginning of November (Deut. 11:14; Joel 2:23; comp. Jer. 3:3), and continue to fall heavily for two months. Then the heavy "winter rains" fall from the middle of December to March. There is no prolonged fair weather in Palestine between October and March. The "latter" or spring rains fall in March and April, and serve to swell the grain then coming to maturity (Deut. 11:14; Hos. 6:3). After this there is ordinarily no rain, the sky being bright and cloudless till October or November. Rain is referred to symbolically in Deut. 32:2; Ps. 72:6; Isa. 44:3, 4; Hos. 10:12.

Easton's 1897 Bible Dictionary
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American Heritage
Idioms & Phrases

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® Dictionary of Idioms by Christine Ammer.
Copyright © 1997. Published by Houghton Mifflin.
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