名詞 chromatography:

1. a process used for separating mixtures by virtue of differences in absorbency

chro.ma.tog.ra.phy

n.（名詞）
Any of various techniques for the separation of complex mixtures that rely on the differential affinities of substances for a gas or liquid mobile medium and for a stationary adsorbing medium through which they pass, such as paper, gelatin, or magnesia.
色譜法：分離復雜混合物的多種技術(shù)，依靠物質(zhì)對于氣體或液體運動介質(zhì)和靜止的吸附介質(zhì)（如紙、凝膠或氧化鎂）的不同親和力達到分離

【引伸】
chro.matog.rapher
n.（名詞）