DuckCorp Dico

Found 2 definitions

1.                 From The Collaborative International Dictionary of English v.0.48:
                   
   
   
                   
                     
   Lactonic \Lac*ton"ic\, a. [From Lactone.] (Chem.)
      Of, pertaining to, or derived from, a lactone.
      [1913 Webster]
   
                   
                 

2.                 From The Collaborative International Dictionary of English v.0.48:
                   
   
   
                   
                     
   Lactonic \Lac*ton"ic\, a. [From Lactose.] (Chem.)
      Pertaining to, or designating, an acid obtained by the
      oxidation of milk sugar (lactose).
      [1913 Webster]