noun (n)

• 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(noun.substance)

  Synonym:
  atomic number 7, nitrogen
  

  source: wordnet30
• the cardinal compass point that is at 0 or 360 degrees(noun.linkdef)

  Synonym:
  due north, north, northward
  

  source: wordnet30
• 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(noun.quantity)

  Synonym:
  newton
  

  source: wordnet30
• (of a solution) concentration expressed in gram equivalents of solute per liter(noun.quantity)

  Synonym:
  normality
  

  source: wordnet30
• the 14th letter of the Roman alphabet(noun.communication)

  source: wordnet30
• A measure of space equal to half an M (or em); an en.(noun)

  source: webster1913