dopa dop • dopamelanin · · · Info · Definitions · Synonyms · Characters · · dopa · · Text Latin · · Script 4 · · Length Definitions · · · (noun) amino acid that is formed in the liver and converted into dopamine in the brain. Synonyms: dihydroxyphenylalanine. · · Noun Definition 1 Synonyms · · · dihydroxyphenylalanine · · Synonym 1 Characters · · a latin small letter a U+0061 d latin small letter d U+0064 o latin small letter o U+006F p latin small letter p U+0070