newton

(noun) English mathematician and physicist; remembered for developing the calculus and for his law of gravitation and his three laws of motion (1642-1727). Synonyms: Newton, Isaac Newton, Sir Isaac Newton.

(noun) 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. Synonyms: N.