D defs.my
Entry 1 sense Webster, 1913

monomer

/män'-əm-ẽr/ · mon·o·mer · IPA /ˈmɑnəmɚ/
01 n. The basic conceptual building unit of a polymer; a molecule of low molecular weight which may combine with other molecules to form a molecu…
  1. 1.
    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.(Chem.)