tryptophan
tryp·to·phan
noun \ˈtrip-tə-ˌfan\Definition of TRYPTOPHAN
: a crystalline essential amino acid C11H12N2O2 that is widely distributed in proteins
See Variants of TRYPTOPHAN
tryp·to·phan also tryp·to·phane \-ˌfān\
Origin of TRYPTOPHAN
International Scientific Vocabulary tryptic + -o- + -phane
First Known Use: 1890
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