Xanthopterin

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    A yellow crystalline solid that occurs mainly in the wings of butterflies and in the urine of mammals, converted by microorganisms into folic acid. countable, uncountable

Etymology

From xantho- + pterin.

Related phrases

folic acid

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.