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4 definitions found for tryptophan

WordNet (r) 3.0
tryptophan n 1: an amino acid that occurs in proteins; is essential for growth and normal metabolism; a precursor of niacin [syn: tryptophan, tryptophane]

Merriam-Webster's Collegiate Dictionary, 11th Edition (2003)
tryptophan also tryptophane noun Etymology: International Scientific Vocabulary tryptic + -o- + -phane Date: 1890 a crystalline essential amino acid C11H12N2O2 that is widely distributed in proteins

Oxford English Reference Dictionary
tryptophan
n. Biochem. an amino acid essential in the diet of vertebrates.
Etymology: as TRYPSIN + -phan f. Gk phaino appear

English Explanatory Dictionary
tryptophan n. Biochem. an amino acid essential in the diet of vertebrates. [as TRYPSIN + -phan f. Gk phaino appear]




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