Each word haa multiple meanings, depending on the context.

Reversibility could refer to the fact that enzyme-catalyzed reactions are, in principle, reversible, meaning that they can go in either direction given suitable conditions. (In practice, one direction may be highly preferred.)

Reversibility could be a description of the interaction of an enzyme with an inhibitor. If the inhibitor dissociates from the enzyme, the inhibition is relieved. In this context, recovery could also refer to the increase in enzyme activity that is observed when the inhibitor dissociates.

When an enzyme is refolded from the denatured, inactive state, its activity may be recovered. Unfolding of enzymes and other proteins is therefore, in principle, reversible because the amino acid sequence contains the information necessary for the protein to refold into its native state.

Recovery could also refer to the amount of enzyme that makes it through a procedure in which some is lost. For example, when immobilizing an enzyme on a surface, some of the enzyme may not be immobilized and is lost during the washes.

Recovery could also be synonymous with yield when measuring the proportion of enzyme activity that makes it from one step to the next in a purification procedure.

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