1. (

• Newton ,
• 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) ;

2. (

• 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 ;