N (noun)
1: (of a solution) concentration expressed in gram equivalents of solute per liter [syn: normality, N]
2: a common nonmetallic element that is normally a colorless odorless tasteless inert diatomic gas; constitutes 78 percent of the atmosphere by volume; a constituent of all living tissues [syn: nitrogen, N, atomic number 7]
3: the cardinal compass point that is at 0 or 360 degrees [syn: north, due north, N]
4: a unit of force equal to the force that imparts an acceleration of 1 m/sec/sec to a mass of 1 kilogram; equal to 100,000 dynes [syn: newton, N]
5: the 14th letter of the Roman alphabet [syn: N]