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chromatography

[kroh-muh-tog-ruh-fee]
noun Chemistry.
  1. the separation of mixtures into their constituents by preferential adsorption by a solid, as a column of silica (column chromatography) or a strip of filter paper (paper chromatography) or by a gel.
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Origin of chromatography

First recorded in 1725–35; chromato- + -graphy
Related formschro·ma·tog·ra·pher, nounchro·mat·o·graph·ic [kruh-mat-uh-graf-ik, kroh-muh-tuh-] /krəˌmæt əˈgræf ɪk, ˌkroʊ mə tə-/, adjectivechro·ma·to·graph·i·cal·ly, adverb
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for chromatography

Historical Examples

  • Mr Field, in his Chromatography, has rendered a very great service to art.

    Blackwood's Edinburgh Magazine, Volume 62, No. 383, September 1847

    Various


British Dictionary definitions for chromatography

chromatography

noun
  1. the technique of separating and analysing the components of a mixture of liquids or gases by selective adsorption in, for example, a column of powder (column chromatography) or on a strip of paper (paper chromatography)See also gas chromatography
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Derived Formschromatographer, nounchromatographic (ˌkrəʊmətəˈɡræfɪk), adjectivechromatographically, adverb
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

Word Origin and History for chromatography

n.

1731, from chromato-, Latinized comb. form of Greek khroma (genitive khromatos) "color" (see chroma), denoting "color" or "chromatin" + -graphy. Related: Chromatograph.

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Online Etymology Dictionary, © 2010 Douglas Harper

chromatography in Medicine

chromatography

(krō′mə-tŏgrə-fē)
n.
  1. Any of various techniques for the separation of complex mixtures that rely on the differential affinities of substances for a gas or liquid mobile medium and for a stationary adsorbing medium through which they pass, such as paper, gelatin, or magnesia.absorption chromatography
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Related formschro′ma•togra•pher n.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

chromatography in Science

chromatography

[krō′mə-tŏgrə-fē]
  1. A technique used to separate the components of a chemical mixture by moving the mixture along a stationary material, such as gelatin. Different components of the mixture are caught by the material at different rates and form isolated bands that can then be analyzed.
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The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.