Decarboxylation Definition:

A reaction involving loss of CO2, characteristic of compounds containing a carbonyl group that is beta to a COOH group

Decarboxylation Explained:

If the process of hydrolysis initializes in high temperatures and if resulting in 1,3-dicarboxylic acid it will go to the next phase of decarboxylation to make a monosubstituted acetic acid and carbon dioxide.