any of a group of organic cyclic esters formed by the elimination of a molecule of water from the OH and COOH groups of a molecule of a hydroxy acid
Origin of lactonelact(o)- + -one
A cyclic ester, or a compound containing a cyclic ester, formed by the intramolecular condensation of a hydroxy carboxylic acid.
Origin of lactonelact(o)- -one
- Greek prefixes indicate the ring size e.g. α- 3-membered, β- 4-membered