from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. An instrument that produces a chromatogram.
  • transitive v. To separate and analyze by chromatography.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A machine that performs chromatography by gas or liquid separation.
  • v. To analyze or separate mixtures using chromatography

from the GNU version of the Collaborative International Dictionary of English

  • n. a piece of equipment used to perform chromatography{2}.

from The Century Dictionary and Cyclopedia

  • To represent in colors; do in colors.
  • n. An instrument used to produce different shades of color by the simultaneous rotation of colored segments.
  • n. A colored print.


Sorry, no etymologies found.


  • Using a machine known as a chromatograph, the scientists were able to separate the chemicals.

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  • “On the ability of the Viking gas chromatograph–mass spectrometer to detect organic matter.”

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  • That experiment used a gas chromatograph mass spectrometer GCMS to heat the soil until chemicals turned to vapor, and then it separated, identified, and quantified the large number of different chemicals found.

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  • The mobile Mars Science Laboratory includes a mass spectrometer, a gas chromatograph, and a laser spectrometer.

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  • A few blocks away, the Steep Hill Medical Collective invested in a gas chromatograph-mass spectrometer in hopes of learning precisely what's in each pound of Grand Daddy and Purple Kush.

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  • Back in the lab the Danish researchers used an old gas chromatograph to study the samples, and found chemicals that they had never heard of before called omega-3 fatty acids.

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  • All the gas chromatograph/mass spectrometer needed to do was match the chemical compounds.

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  • A short time later Mel was reading results from the gas chromatograph, the mass spectrometer and several other analyses.

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  • He then gazed at the equipment: the density gradient device, the forceps and vials, the gloves, the flasks, the collection gear and the battleships of the line: the scanning electron microscope and the chromatograph/mass spectrometer, silent and bulky.

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  • The tech and Sachs ran a portion of each of the samples through the gas chromatograph/mass spectrometer.

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