Standard Lemma guide
Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.
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noun
A ketonic amide derivative of pteridine responsible for some of the colouring in nature. It is also a component of folic acid.
Definition source: English Wiktionary via Wiktextract
Usage: countable, uncountable
Topics: chemistry, natural-sciences, organic-chemistry, physical-sciences
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
History
From Greek: πτερόν (pteron) = wing (because it was first found in butterfly wings).
Across languages
4 source translations are retained for this English entry.
