Nn. the 14th letter of the Roman alphabet ; Nn. (of a solution) concentration expressed in gram equivalents of solute per liter ; Nn. 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 ; Nn. the cardinal compass point that is at 0 or 360 degrees ; Nn. 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 ; N'Djamenan. the capital and largest city of Chad ; located in the southwestern on the Shari river ; n-thadj. last or greatest in an indefinitely large series ; n-type semiconductorn. a semiconductor in which electrical conduction is due chiefly to the movement of electrons ; N. Y. Stock Exchangen. a stock exchange in New York ; N.B.n. a Latin phrase (or its abbreviation) used to indicate that special attention should be paid to something ; N.C.n. a state in southeastern United States ; one of the original 13 colonies ; N.D.n. a state of north central United States bordering on Canada ; N.H.n. a state in New England ; one of the original 13 colonies ; N.J.n. a Mid-Atlantic state on the Atlantic ; one of the original 13 colonies ; N.M.n. a state in southwestern United States on the Mexican border ;