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chromatography

[kroh-muh-tog-ruh-fee] /ˌkroʊ məˈtɒg rə fi/
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.
Origin
1725-1735
1725-35; chromato- + -graphy
Related forms
chromatographer, noun
chromatographic
[kruh-mat-uh-graf-ik, kroh-muh-tuh-] /krəˌmæt əˈgræf ɪk, ˌkroʊ mə tə-/ (Show IPA),
adjective
chromatographically, adverb
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Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for chromatographer

chromatography

/ˌkrəʊməˈtɒɡrəfɪ/
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
Derived Forms
chromatographer, noun
chromatographic (ˌkrəʊmətəˈɡræfɪk) adjective
chromatographically, adverb
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Word Origin and History for chromatographer

chromatography

n.

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

Online Etymology Dictionary, © 2010 Douglas Harper
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chromatographer in Medicine

chromatography chro·ma·tog·ra·phy (krō'mə-tŏg'rə-fē)
n.
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. Also called absorption chromatography.


chro'ma·tog'ra·pher n.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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chromatographer in Science
chromatography
  (krō'mə-tŏg'rə-fē)   
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.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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