mesyl

/M EH1 S AH0 L/
noun
  1. 1

    (organic chemistry, especially in combination) The univalent radical CH₃SO₂– of methanesulfonic acid.

  2. 2

    Obsolete form of mesel, in its various senses. [(medicine, obsolete) Synonym of leper.]

adjective
  1. 1

    Obsolete form of mesel, in its various senses. [(medicine, obsolete) Synonym of leprous: having leprosy or a similar skin disorder.]