GNU Collaborative International Dictionary of English

Found one definition

      
monomer (?), n. (Chem.) The basic conceptual building unit of a polymer; a molecule of low molecular weight which may combine with other molecules to form a molecule in a chain or branched form having high molecular weight; as, “amino acids are the monomer units which are combined to form proteins; vinylic plastics are formed from monomers having a vinyl group”.

[PJC]

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