Noun
- 1. Newton, Isaac Newton, Sir Isaac Newton
- usage: 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, force unit
- usage: 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
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