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polyadenylic acid

American  
[pol-ee-ad-n-il-ik, pol-] / ˈpɒl iˌæd nˈɪl ɪk, ˌpɒl- /

noun

Biochemistry.

  1. a homopolymer of adenylic acid enzymatically added to messenger RNA in eukaryotic cells to inhibit the hydrolytic breakdown of messenger RNA.

Etymology

Origin of polyadenylic acid

First recorded in 1955–60; poly- + adenylic acid

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.