definition of
Newton

[1] #1 Newton n. [Isaac Newton, Sir Isaac Newton] English mathematician and physicist; remembered for developing the calculus and for his law of gravitation and his three laws of motion (1642-1727). wn

[2] #2 Newton n. [newton, 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. wn