chromatography

noun
chro·​ma·​tog·​ra·​phy | \ˌkrō-mə-ˈtä-grə-fē \

Definition of chromatography 

: a process in which a chemical mixture carried by a liquid or gas is separated into components as a result of differential distribution of the solutes as they flow around or over a stationary liquid or solid phase

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Other Words from chromatography

chromatographic \krō-​ˌma-​tə-​ˈgra-​fik, krə-​ \ adjective
chromatographically \-​fi-​k(ə-​)lē \ adverb

Examples of chromatography in a Sentence

Recent Examples on the Web

Arnold uses chromatography paper, water, food coloring and a felt pen. Marcia Dunn, The Seattle Times, "1st of Christa McAuliffe’s lost lessons released from space," 7 Aug. 2018 Those machines, called gas-chromatography mass-spectrometers or GC-MS, can analyze the air to discover thousands of different molecules known as volatile organic compounds. Andrea Soltoggio, Smithsonian, "Artificial Intelligence May Be Able To Smell Illnesses in Human Breath," 12 June 2018 There, lab officials allowed her to use equipment to conduct high performance liquid chromatography. Betsy Hammond, OregonLive.com, "2 innovative Oregon teen scientists compete for glory at nationals," 11 Mar. 2018 The lessons will cover effervescence (bubbles), chromatography (a chemical separation technique), liquids, and Newton’s laws of motion. Mika Mckinnon, Smithsonian, "In Stellar Tribute, Astronauts Teach “Lost Lessons” From Educator Who Died on Challenger," 22 Jan. 2018 Each product was analyzed three times for cannabinoid contents using high-performance liquid chromatography. Beth Mole, Ars Technica, "Study: Nearly 70% of online CBD marijuana extracts are mislabeled," 7 Nov. 2017 The structure of the battery is formed from a sheet of chromatography paper, divided into a grid of creases. Nathan Hurst, Smithsonian, "This Spit-Powered Biobattery Is Made From a Single Sheet of Paper," 30 Jan. 2017 Gas chromatography then separated the chemical mix into its component parts, providing the researchers with an exact readout of the chemicals contributing to the smell of the pages. Jessica Wapner, Newsweek, "George Washington Stank Here: Emerging Science Charts Our Olfactory Heritage," 1 May 2017 The experiments available cover a wide spectrum of science disciplines: biology, robotics, chemistry, geosciences, electromagnetism, optics and chromatography Patricia Vollmer, WIRED, "Pensacola MESS Hall: A Hands-On Science Experiment Museum," 9 Aug. 2012

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'chromatography.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of chromatography

1936, in the meaning defined above

History and Etymology for chromatography

borrowed from German Chromatographie, from chromato- chromato- + -graphie -graphy, after earlier chromatographisch "chromatographic" and Chromatogramm chromatogram

Note: Term introduced by the botanist Mikhail Semyonovich Tsvet in "Adsorptionsanalyse und chromatographische Methode. Anwendung auf die Chemie des Chlorophylls," Berichte der Deutschen Botanischen Gesellschaft, Band 24 (1906), p. 387. See note at chromatogram.

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Last Updated

25 Nov 2018

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Time Traveler for chromatography

The first known use of chromatography was in 1936

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More Definitions for chromatography

chromatography

noun
chro·​ma·​tog·​ra·​phy | \ˌkrō-mə-ˈtäg-rə-fē \
plural chromatographies

Medical Definition of chromatography 

: a process in which a chemical mixture carried by a liquid or gas is separated into components as a result of differential distribution of the solutes as they flow around or over a stationary liquid or solid phase — see affinity chromatography, cochromatography, column chromatography, electrochromatography, gas chromatography, gas-liquid chromatography, gel filtration, high-performance liquid chromatography, ion-exchange chromatography, liquid chromatography, paper chromatography, partition chromatography, radiochromatography, thin-layer chromatography

Other Words from chromatography

chromatographic \krō-​ˌmat-​ə-​ˈgraf-​ik, krə-​ \ adjective
chromatographically \-​i-​k(ə-​)lē \ adverb

More from Merriam-Webster on chromatography

Britannica.com: Encyclopedia article about chromatography

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