Dictionary

L–tryptophan

noun L–tryp·to·phan \ˈel-ˈtrip-tə-ˌfan\

Definition of L-TRYPTOPHAN

:  the levorotatory form of tryptophan that is a precursor of serotonin and was used formerly as a dietary supplement especially to promote sleep and relieve depression
ADVERTISEMENT

First Known Use of L-TRYPTOPHAN

1949
Medical Dictionary

L–tryptophan

noun L–tryp·to·phan \ˈel-ˈtrip-tə-ˌfan\

Medical Definition of L–TRYPTOPHAN

:  the levorotatory form of tryptophan that is a precursor of serotonin and was formerly used in some health food preparations in the belief that it promoted sleep and relieved depression—see eosinophilia-myalgia syndrome

Browse

Next Word in the Dictionary: LTSPrevious Word in the Dictionary: ltrAll Words Near: L-tryptophan
How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears