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radiochromatography

American  
[rey-dee-oh-kroh-muh-tog-ruh-fee] / ˌreɪ di oʊˌkroʊ məˈtɒg rə fi /

noun

Chemistry.
  1. chromatography in which radiolabeled substances on the chromatogram are determined quantitatively or qualitatively by measuring their radioactivity.


Etymology

Origin of radiochromatography

radio- + chromatography