http://www.unc.edu/~rowlett/units/dictN.html http://www.unc.edu/~rowlett/units/dictN.html http://www.unc.edu/~rowlett/units/dictN.html neck (nk) https://www.unc.edu/~rowlett/units/dictN.html nu newton newton «nautical mile (nmi, naut mi, n mile, or NM)». newton nit (nt) neper (Np) https://www.unc.edu/~rowlett/units/dictN.html nail newton nook newton http://www.unc.edu/~rowlett/units/dictN.html nest http://www.unc.edu/~rowlett/units/dictN.html