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Definition of Lactone
1. n. One of a series of organic compounds, regarded as anhydrides of certain hydroxy acids. In general, they are colorless liquids, having a weak aromatic odor. They are so called because the typical lactone is derived from lactic acid.
Definition of Lactone
1. Noun. (organic chemistry) A cyclic intramolecular ester derived from a hydroxy acid. ¹
¹ Source: wiktionary.com
Definition of Lactone
1. any of a group of esters [n -S] : LACTONIC [adj]
Medical Definition of Lactone
1.