chromatography

UK: /ˌkrəʊməˈtɒɡrəfɪ/ US: (krō′mə tog′rə fē)

WordReference Random House Unabridged Dictionary of American English © 2025

chro•ma•tog•ra•phy  (krō′mə tog′rə fē), n. [Chem.]

1. Chemistry the separation of mixtures into their constituents by preferential adsorption by a solid, as a column of silica (column chromatography)or a strip of filter paper (paper chromatography) or by a gel.

• 1725–35; chromato- + -graphy

chro′ma•tog′ra•pher, n. 
chro•mat•o•graph•ic  (krə mat′ə graf′ik, krō′mə tə-), adj.  chro′ma•to•graph′i•cal•ly, adv. 

Collins Concise English Dictionary © HarperCollins Publishers::

chromatography / ˌkrəʊməˈtɒɡrəfɪ/ noun

1. the technique of separating and analysing the components of a mixture of liquids or gases by selective adsorption in, for example, a column of powder (column chromatography) or on a strip of paper (paper chromatography)
   See also gas chromatography

ˌchromaˈtographer noun

chromatographic / ˌkrəʊmətəˈɡræfɪk/ adjective

ˌchromatoˈgraphically adverb