pterin


pter·in

noun \ˈter-ən\

Definition of PTERIN

:  any of various compounds that contain the bicyclic ring system characteristic of pteridine

Origin of PTERIN

International Scientific Vocabulary pter- (from Greek pteron wing) + 1-in; from its being a factor in the pigments of butterfly wings
First Known Use: 1934

pter·in

noun \ˈter-ən\   (Medical Dictionary)

Medical Definition of PTERIN

: any of various compounds that contain the bicyclic ring system characteristic of pteridine

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