monomeric unit (monomer unit, mer) 

https://doi.org/10.1351/goldbook.M04018
The largest constitutional unit contributed by a single monomer molecule to the structure of a macromolecule or oligomer molecule.
Note:
The largest constitutional unit contributed by a single monomer molecule to the structure of a macromolecule or oligomer molecule may be described as either monomeric, or by monomer used adjectivally.
Source:
PAC, 1996, 68, 2287. (Glossary of basic terms in polymer science (IUPAC Recommendations 1996)) on page 2290 [Terms] [Paper]
Citation: 'monomeric unit' in IUPAC Compendium of Chemical Terminology, 5th ed. International Union of Pure and Applied Chemistry; 2025. Online version 5.0.0, 2025. https://doi.org/10.1351/goldbook.M04018 RIS BibTex EndNote
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Last revised: February 24, 2014