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tryptophan

tryp·top·han

UK/ˈtɹɪptə(ʊ)fæn/ uncommon

noun

1.

an amino acid that occurs in proteins; is essential for growth and normal metabolism; a precursor of niacin

Synonyms

Origin

From German Tryptophan, from Ancient Greek φαίνω (phaínō, “to appear”).

Related words

Word family

Broader terms

WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). WordNet 2.1 Copyright Princeton University. All rights reserved. Wiktionary content is available under the Creative Commons Attribution-ShareAlike Licence.