chromogen

English Thesaurus

1. a compound that can be converted to a pigment (noun.substance)

hypernym	:	chemical compound, compound,
definition	:	(chemistry) a substance formed by chemical union of two or more elements or ingredients in definite proportion by weight (noun.substance)

hyponym	:	stercobilinogen, urobilinogen,
definition	:	a chromogen formed in the intestine from the breakdown of bilirubin; yields urobilins on oxidation; some is excreted in the feces and some is resorbed and excreted in bile or urine (noun.substance)