noun (n)

• English mathematician and physicist; remembered for developing the calculus and for his law of gravitation and his three laws of motion (1642-1727)(noun.person)

  Synonym:
  isaac newton, sir isaac newton
  

  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:
  n
  

  source: wordnet30