[noo-toh-nee-uh
n, nyoo-] 
| of or pertaining to Sir Isaac Newton or to his theories or discoveries: Newtonian physics. |
| Newton, Sir Isaac 1642-1727. English mathematician and scientist who invented differential calculus and formulated the theory of universal gravitation, a theory about the nature of light, and three laws of motion. His treatise on gravitation, presented in Principia Mathematica (1687), was supposedly inspired by the sight of a falling apple. New·to'ni·an adj. |