- 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)
--1 is a kind of mathematician; physicist
- 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
--2 is a kind of force unit
--2 is a part of sthene
--2 has parts: dyne