me·thi·o·nine 
(mə-thīə-nēn′)
(mə-thīə-nēn′)n.
A sulfur-containing essential amino acid, C5H11NO2S, obtained from various proteins or prepared synthetically and used as a dietary supplement and in pharmaceuticals.
[ME(TH)- + THION- + -INE2.]
- ineffable
- ineffableness
- ineffably
- ineffaceability
- ineffaceable
- ineffaceably
- in effect
- ineffective
- ineffectively
- ineffectiveness
- ineffectual
- ineffectuality
- ineffectually
- ineffectualness
- inefficacious
- inefficaciously
- inefficacy
- inefficiency
- inefficient
- inefficiently
- in effigy
- inegalitarian
- inelastic
- inelastic collision
- inelasticity