prodrug A substance which, after metabolic action in the body, is coverted to an active drug. prodrug drug modified by biotransformation (i.e. metabolic processes) to achieve desired pharmacological action proÂ·drug (prÅ'drÅ­g) A class of drugs, the pharmacologic action of which results from conversion by metabolic processes within the body.
verb (used without object), sagged, sagging. 1. to sink or bend downward by weight or pressure, especially in the middle: The roof sags. 2. to hang down unevenly; droop: Her skirt was sagging.
Snagging Definition. Snagging is a slang expression used within the building industry in the UK and Ireland. It is used to describe the process of defect identification and resolution.or new build homes snagging is carried out by the homeowner or a snagging inspector when notice is served usually two weeks before completion or at any tim during the first two years of the warranty period.