chromatograph

American  

[kruh-mat-uh-graf, -grahf, kroh-muh-tuh-] / krəˈmæt əˌgræf, -ˌgrɑf, ˈkroʊ mə tə- /

verb (used with object)

1. to separate mixtures by chromatography.

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noun

1. a piece of equipment used to produce a chromatogram.

Other Word Forms

• rechromatograph verb (used with object)

Etymology

Origin of chromatograph

First recorded in 1855–60; chromato- + -graph

Example Sentences

This allows the evaporates to be collected on a small trap which is then transferred to a gas chromatograph.

From Science Daily • Oct. 19, 2023

When combined with a gas chromatograph, which separates chemical mixtures, the detector was capable of measuring minute concentrations of chlorine-based compounds in air.

From New York Times • Jul. 27, 2022

On deck, Sylva places a water sample in a gas chromatograph, what looks like a steampunk version of a mid-1980s microwave.

From Scientific American • Feb. 12, 2018

The most damning evidence came from a device called a gas chromatograph mass spectrometer, which looked for organic molecules — the kind of complex molecules necessary for life on Earth.

From Washington Post • Jun. 18, 2016

The gas chromatograph on the Pioneer Venus entry probes gave an abundance of water in the lower atmosphere of a few tenths of a percent.

From "Cosmos" by Carl Sagan