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 heterocyclic amine found in both plant and animal tissue, where it is an intermediate in several metabolic schemes.
Definition source: English Wiktionary via Wiktextract
Usage: uncountable
Topics: biochemistry, biology, chemistry, microbiology, natural-sciences, physical-sciences
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
noun
Any of a class of neurotransmitters and psychedelic drugs derived from this compound.
Definition source: English Wiktionary via Wiktextract
Usage: countable
Topics: medicine, sciences
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
History
By surface analysis, tryptophan + amine.
