(n): any of the more than 100 known substances (of which 92 occur naturally) that cannot be separated into simpler substances and that singly or in combination constitute all matter
(n): a fluid in the gaseous state having neither independent shape nor volume and being able to expand indefinitely
(n): the cardinal compass point that is at 0 or 360 degrees
(n): one of the four main compass points
(n): 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
(n): a unit of measurement of physical force
(n): (of a solution) concentration expressed in gram equivalents of solute per liter
(n): a quantity relative to some purpose
(n): the 14th letter of the Roman alphabet
(n): the conventional characters of the alphabet used to represent speech
N. Chemical element symbol for Nitrogen.