First Known Use: 1843
Dictionary
cystine
noun cys·tine \ˈsis-ˌtēn\
Definition of CYSTINE
: a crystalline amino acid C6H12N2O4S2 that is widespread in proteins (as keratins) and is a major metabolic sulfur source
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Origin of CYSTINE
from its discovery in bladder stones
Medical Dictionary
cystine
noun cys·tine \ˈsis-ˌtēn\
Medical Definition of CYSTINE
: an amino acid C6H12N2O4S2 that is a dimer of cysteine, is widespread in proteins (as keratins), and is a major metabolic sulfur source
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