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precipitations

 [pri-sip-i-tey-shuhn]   Origin

pre·cip·i·ta·tion

   [pri-sip-i-tey-shuhn]
noun
1.
the act of precipitating; state of being precipitated.
2.
a casting down or falling headlong.
3.
a hastening or hurrying in movement, procedure, or action.
4.
sudden haste.
5.
unwise or rash rapidity.
EXPAND
6.
Meteorology.
a.
falling products of condensation in the atmosphere, as rain, snow, or hail.
b.
the amount of rain, snow, hail, etc., that has fallen at a given place within a given period, usually expressed in inches or centimeters of water.
7.
Chemistry, Physics. the precipitating of a substance from a solution.
COLLAPSE
Origin:
1425–75; late Middle English < Latin praecipitātiōn- (stem of praecipitātiō) a falling headlong. See precipitate, -ion

Related forms
non·pre·cip·i·ta·tion, noun
self-pre·cip·i·ta·tion, noun
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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a fool or simpleton; ninny.
a screen or mat covered with a dark material for shielding a camera lens from excess light or glare.
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Etymonline
Word Origin & History

precipitation
c.1500, "sudden haste," from M.Fr. precipitation (15c.), from L. praecipitationem (nom. praecipitatio) "act or fact of falling headlong, haste," from praecipitare "fall, be hasty," from praeceps "steep" (see precipice). Meaning "act of falling from a height" is attested
EXPAND
from 1610s. Meteorological sense of "rain, snow, dew, etc." is from 1670s.
COLLAPSE
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Medical Dictionary

precipitation pre·cip·i·ta·tion (prĭ-sĭp'ĭ-tā'shən)
n.
The process of separating a substance from a solution as a solid.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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American Heritage
Science Dictionary
precipitation   (prĭ-sĭp'ĭ-tā'shən)  Pronunciation Key 

  1. A form of water, such as rain, snow, or sleet, that condenses from the atmosphere, becomes too heavy to remain suspended, and falls to the Earth's surface. Different atmospheric conditions are responsible for the different forms of precipitation.

  2. The process by which a substance is separated out of a solution as a solid. Precipitation occurs either by the action of gravity or through a chemical reaction that forms an insoluble compound out of two or more soluble compounds.


The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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American Heritage
Cultural Dictionary

precipitation definition


In meteorology, the fall of water, ice, or snow deposited on the surface of the Earth from the atmosphere. In chemistry, a chemical reaction in a solution in which a solid material is formed and subsequently falls, as a precipitate, to the bottom of the container.

The American Heritage® New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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