gas chromatograph


: an instrument used to separate a sample into components in gas chromatography

Example Sentences

Recent Examples on the Web In his reading, the Viking gas chromatograph scooped up soil, heated it, and in so doing activated the perchlorate, which then destroyed the very organics the spacecraft was searching for. Andrew Lawler, Discover Magazine, 22 Nov. 2010 But within days that finding was contradicted by results from the gas chromatograph spectrometer, which detected no sign of organic compounds, much less evidence of life. Andrew Lawler, Discover Magazine, 22 Nov. 2010 The device, fitted with a gas chromatograph, was with Dr. Lovelock on his Antarctic voyage, and his findings helped confirm links between chlorofluorocarbons and the hole in the ozone layer. Brian Murphy, Washington Post, 28 July 2022 Kerth and his colleagues have studied this process in the lab, searing steaks to precise specifications and feeding the results into a gas chromatograph, which measures the amount of each volatile chemical produced. Bob Holmes, Smithsonian Magazine, 25 June 2021 So the scientists ran the extract through a tool called a gas chromatograph to separate the chemicals. Theresa Machemer, Smithsonian Magazine, 25 Mar. 2021 The primary instrument on the Viking landers, a gas chromatograph-mass spectrometer, used heat to try and find these molecules. Ashley May, USA TODAY, 12 July 2018 Although almost completely paralyzed, Rhyme works with utmost efficiency from the living room of his townhouse, which comes fully equipped with high-tech gadgets, including a very serious gas chromatograph/mass spectrometer. Marilyn Stasio, New York Times, 13 Apr. 2018 See More

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

Word History

First Known Use

1958, in the meaning defined above

Time Traveler
The first known use of gas chromatograph was in 1958

Dictionary Entries Near gas chromatograph

Cite this Entry

“Gas chromatograph.” Dictionary, Merriam-Webster, Accessed 20 Mar. 2023.

Medical Definition

gas chromatograph

: an instrument used to separate a sample into components in gas chromatography
Last Updated: - Updated example sentences
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