norvaline
noun
nor·va·line
| \ (ˈ)nȯr-ˈval-ˌēn
, -ˈvā-ˌlēn
\
, -ˈvā-ˌlēn
\
Medical Definition of norvaline
: an amino acid C5H11NO2 isomeric with valine and usually made synthetically