N2Pronunciation: /ɛn/Translate N | into French | into German | into Italian | into Spanish Definition of N abbreviation (used in recording moves in chess) knight:17.Na4?[representing the pronunciation of kn-, since the initial letter k- represents 'king'] (on a gear lever) neutral. (chiefly in place names) New:N Zealand Physics newton(s). Chemistry (with reference to solutions) normal: the pH was adjusted to 7.0 with 1 N HCl North or Northern:78° N N Ireland Norway (international vehicle registration). nuclear: the N bomb symbol the chemical element nitrogen. N in other Oxford dictionaries Definition of N in the US English dictionary