gas chromatography

[ gas-kroh-muh-tog-ruh-fee ]
/ ˈgæs ˌkroʊ məˈtɒg rə fi /
Save This Word!

noun Chemistry.
chromatography in which a substance is converted into vapor and mixed with a gaseous element, as nitrogen, then separated and quantified by preferential adsorption by a solid or liquid element.
Were you ready for a quiz on this topic? Well, here it is! See how well you can differentiate between the uses of "was" vs. "were" in this quiz.
Question 1 of 7
“Was” is used for the indicative past tense of “to be,” and “were” is only used for the subjunctive past tense.

Origin of gas chromatography

First recorded in 1950–55

Words nearby gas chromatography

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

How to use gas chromatography in a sentence

British Dictionary definitions for gas chromatography

gas chromatography

a technique for analysing a mixture of volatile substances in which the mixture is carried by an inert gas through a column packed with a selective adsorbent and a detector records on a moving strip the conductivity of the gas leaving the tube. Peaks on the resulting graph indicate the presence of a particular componentAlso called: gas-liquid chromatography
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

Medical definitions for gas chromatography

gas chromatography

Chromatographic process in which a mixture of gases or vapors are separated by their differential adsorption by a stationary phase.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.