Definition of esterase in US English:



  • An enzyme that hydrolyzes particular esters into acids and alcohols or phenols.

    • ‘Trichlorfon use is broadly based on its action as an inhibitor of acetylcholine esterase.’
    • ‘Growing carnation petals showed high activities of cellulase and pectin esterase.’
    • ‘Carbosulfan is extremely toxic to mammals and its toxicity is mediated through inhibition of acetylcholine esterase, a respiratory enzyme.’
    • ‘Cholesterol esterase was omitted from the assay to exclude intracellular cholesterol esters.’
    • ‘Cholesterol esterase plays a role in digestive lipid absorption in the upper intestinal tract, though its role in cholesterol absorption in particular is controversial.’