soaked, impregnated, or imbued thoroughly; charged thoroughly or completely; brought to a state of saturation.
(of colors) of maximum chroma or purity; of the highest intensity of hue; free from admixture of white.
(of a solution) containing the maximum amount of solute capable of being dissolved under given conditions.
(of an organic compound) containing no double or triple bonds; having each single bond attached to an atom or group.
(of an inorganic compound) having no free valence electrons.

1660–70; saturate + -ed2

nonsaturated, adjective
subsaturated, adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
saturated (ˈsætʃəˌreɪtɪd)
1.  See also supersaturated (of a solution or solvent) containing the maximum amount of solute that can normally be dissolved at a given temperature and pressure
2.  (of a colour) having a large degree of saturation
3.  of a chemical compound
 a.  containing no multiple bonds and thus being incapable of undergoing additional reactions: a saturated hydrocarbon
 b.  containing no unpaired valence electrons
4.  polyunsaturated See also unsaturated (of a fat, esp an animal fat) containing a high proportion of fatty acids having single bonds
5.  See also supersaturated (of a vapour) containing the equilibrium amount of gaseous material at a given temperature and pressure
6.  (of a magnetic material) fully magnetized
7.  extremely wet; soaked

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

1530s, "to satisfy, satiate," from L. saturatus, pp. of saturare "to fill full, sate, drench," from satur "sated, full," from PIE base *sa- "to satisfy" (see sad). Meaning "soak thoroughly" first recorded 1756. Marketing sense first recorded 1958. Saturation bombing first recorded
1942, in reference to Allied air raid on Cologne.
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Medical Dictionary

saturated adj.

  1. Unable to hold or contain more; full.

  2. Soaked with moisture; drenched.

  3. Combined with or containing all the solute that can normally be dissolved at a given temperature.

  4. Having all available valence bonds filled. Used especially of organic compounds.

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
saturated   (sāch'ə-rā'tĭd)  Pronunciation Key 

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  1. Relating to an organic compound in which all the carbon atoms are joined by single bonds and therefore cannot be combined with any additional atoms or radicals. Propane and cyclopentane are examples of saturated hydrocarbons. Compare unsaturated.

  2. Relating to a solution that is unable to dissolve more of a solute.

  3. Containing as much water vapor as is possible at a given temperature. Air that is saturated has a relative humidity of 100 percent.

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