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dimer
This term is primarily used in chemistry and molecular biology to describe a specific structural arrangement where two smaller units combine. It carries a technical, precise connotation, focusing on the stoichiometry of the molecule rather than its overall function. While it often implies identical subunits, the broader biological application can encompass any pair of subunits forming a single functional unit.
As a standard countable noun, it follows regular English pluralization rules. It is frequently paired with modifiers like homodimer or heterodimer to specify whether the constituent monomers are identical or different, providing a level of specificity required for scientific documentation.
Meanings
Examples
Is this protein acting as a monomer or a dimer in this solution?
The enzyme exists as a homodimer in its active state.
I wonder if the dimer will dissociate under these pH conditions.
The researchers identified a dimer that regulates gene expression.
The researchers identified a dimer that regulates gene expression.
A dimer is essentially the simplest form of an oligomer.
A dimer is essentially the simplest form of an oligomer.
We need to determine whether the complex is a dimer or a tetramer.
The chemical reaction resulted in the formation of a covalent dimer.