Mes″i‐tyl (?), n.(Chem.) A hypothetical radical formerly supposed to exist in mesityl oxide.
Mesityl oxide(Chem.), a volatile liquid having the odor of peppermint, obtained by certain dehydrating agents from acetone; — formerly called also dumasin.
Webster's Dictionary 1913
Mes″i‐tyl (?), n.(Chem.) A hypothetical radical formerly supposed to exist in mesityl oxide.
Mesityl oxide(Chem.), a volatile liquid having the odor of peppermint, obtained by certain dehydrating agents from acetone; — formerly called also dumasin.