Main Entry: thin–layer chromatography Pronunciation: 'thin-"lA-&r- Function: noun : chromatography in which the solution containing the substancesto be separated migrates by capillarity through a thin layer of the adsorbent medium (as silica gel, alumina, or cellulose) arranged on a rigid support —abbreviation TLC; —compare COLUMN CHROMATOGRAPHY, GASCHROMATOGRAPHY, PAPER CHROMATOGRAPHY —thin–layer chromatogramnoun —thin–layer chromatographicadjective
thin-layer chromatographyn. Abbr. TLC Chromatography through a thin layer of cellulose or similar inert material supported on a glass or plastic plate.