nucleophilic attacknucleophilic constantnucleophilic substitutionnucleusnufilnumbernumber average degree of polymerizationnumber average molecular weightnumber of filamentnumber of flex cyclenumber of windnumberatornumbered ducknumberingnumericalnupronnursesnutnut brownnut fibernut fibrenwnynycelnycronnyl filnyl francenylenkanyloftnylonnylon 11nylon 250nylon 4nylon 6nylon 610nylon 66nylon 6tnylon 7nylon 707nylon 764nylon 91nylon fabricnylon ib610nylon rnylon tricotnylosannylsyissenymacrylnymacrylonnymacryon
