nonamerWiktionary 原文英美构词拆解nonanona-前缀mer-mer后缀nona-Nine.-mer(chemistry) Used to form words relating to chemical structure, denoting parts of a molecule, for example, monomer (one part), dimer (two parts), polymer (many parts).词源说明From nona- + -mer.释义名词noun1An oligomer having nine subunits.同族词派生词 1nonameric