The Collaborative International Dictionary of English v.0.48:
chromatographic \chro*mat`o*graph"ic\ chromatographical \chro*mat`o*graph"ic*al\adj. of or pertaining to chromatography. [WordNet 1.5]WordNet (r) 3.0 (2006):
chromatographical adj 1: of or relating to chromatography [syn: chromatographic, chromatographical]