N

• asparagine;

• Avogadro number;

• blood factor in the MNS blood group system;

• loudness;

• nasal;

• nasion;

• nausea;

• negative;

• neomycin;

• neper;

• nerve;

• neuraminidase;

• neurology;

• neuropathy;

• neutron number;

• newton;

• nicotinamide;

• nifedipine;

• nitrogen;

• nodule;

• normal [solution];

• nucleocapsid;

• nucleoprotein;

• nucleoside;

• nucleus;

• number;

• number in sample;

• number of molecules;

• number of neutrons in an atomic nucleus;

• population size;

• radiance;

• refractive index;

• signal size;

• spin density