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Definition of Polyadenylation
1. Noun. (biochemistry) The formation of a polyadenylate, especially that of a nucleic acid ¹
¹ Source: wiktionary.com
Medical Definition of Polyadenylation
1. 1. The process of formation of poly(adenylic acid). 2. The covalent modification of a macromolecule (e.g., mRNA) by the formation of a polyadenylyl moiety covalent linked to the macromolecule. (05 Mar 2000)