decarboxylation

verb (used with object), de·car·box·yl·at·ed, de·car·box·yl·at·ing. Chemistry.

1. to remove the carboxyl group from (an organic compound).

noun

1. the removal or loss of a carboxyl group from an organic compound

n.

1. Removal of a carboxyl group from a chemical compound, usually with hydrogen replacing it.