tyrosine

 
Pronunciation: /ˈtʌɪrəsiːn/

noun

[mass noun] Biochemistry
  • a hydrophilic amino acid which is a constituent of most proteins and is important in the synthesis of some hormones.
    • Chemical formula: C6H4(OH)CH2CH(NH2)COOH

Origin:

mid 19th century: formed irregularly from Greek turos 'cheese' + -ine4