tryptophan
noun/ˈtrɪptəfæn/
Frequency rank: #18,915 of 20,003 in the WORDED list (wordfreq data)
Meaning
An essential amino acid found in protein-rich foods, used by the body to produce serotonin and melatonin.
Example sentence
Turkey contains high levels of tryptophan, which is an amino acid linked to feelings of drowsiness.
More words in ranks 18,901–19,000
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