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Definition of pteridine in English:
pteridine
(also pteridin)
noun
ChemistryA yellow, crystalline, heteroaromatic compound with a bicyclic molecular structure; any substituted derivative of this, many examples of which occur naturally, especially as insect pigments and vitamins of the B group. Compare earlier pterin.
Origin
1940s. From pter- + -idine, after German Pteridin.
