ˌbilə̇ˈvərdə̇n, ˌbī- noun
( -s )
Etymology: Swedish, from bili- + obsolete French verd green (now vert ) + Swedish -in — more at verdant
: a green crystalline pigment C 33 H 34 N 4 O 6 occurring as the chief bile pigment of amphibians and birds and chiefly as a precursor of bilirubin in man and carnivorous mammals and formed at least in part by the breakdown of hemoglobin