Definition of methionyl in English:

methionyl

Pronunciation /mɪˈθʌɪənɪl/ /mɪˈθʌɪənʌɪl/

noun

Biochemistry
  • The aminoacyl group derived from methionine, CH ₃ S(CH ₂) ₂ CH(NH ₂)CO—.

Origin

1930s; earliest use found in Proceedings of the National Academy of Sciences of the United States of America. From methion- + -yl.