new·​ton | \ ˈnü-tᵊn How to pronounce newton (audio) , ˈnyü- \

Definition of newton

 (Entry 1 of 3)

: the unit of force in the meter-kilogram-second system equal to the force required to impart an acceleration of one meter per second per second to a mass of one kilogram


biographical name
New·​ton | \ ˈnü-tᵊn How to pronounce Newton (audio) , ˈnyü- \

Definition of Newton (Entry 2 of 3)

Sir Isaac 1642–1727 English mathematician and physicist


geographical name
New·​ton | \ ˈnü-tᵊn How to pronounce Newton (audio) , ˈnyü- \

Definition of Newton (Entry 3 of 3)

city in eastern Massachusetts west of Boston population 85,146

Examples of newton in a Sentence

Recent Examples on the Web: Noun The tiny, spinning silica ball can measure torque down to a quadrillionth of a newton-meter, or about 750 trillion pound-feet. Caroline Delbert, Popular Mechanics, "The Fastest Spinning Object Ever Could Detect the Elusive Vacuum Friction," 17 Feb. 2020 If the ball has a mass of 1 kilogram, the gravitational force would be 9.8 newtons. Rhett Allain, Wired, "Yes, You Can Map Out an Electric Field at Home," 5 Feb. 2020 The gravitational interaction is a constant force pointing toward the center of the planet, with a magnitude equal to your mass times the gravitational field (which is 9.8 newtons per kilogram on Earth). Wired, "How to Rip a Crazy Skateboard Loop With Physics," 6 Sep. 2019 Their teeth and jaw are quite a nasty duo, with a great white shark has the bite power of nearly 17,790 newtons (about 4,000 pounds per square inch). Erin Davis And Katherine Dillinger, CNN, "Shark Awareness Day facts to make you rethink 'Jaws'," 14 July 2019 Measurements showed the thrusters collectively generated five newtons for each kilowatt of power, which is actually similar to the output of jet engines. John Timmer, Ars Technica, "Ion drive meets drone, as small plane flies with no moving parts," 21 Nov. 2018 With these in place, the micro-drones can pull well above their 100-gram weight, exerting 40 newtons of force or enough to lift four kilograms (about eight pounds). James Vincent, The Verge, "Micro-drones with winches can open doors and lift 40 times their own weight," 24 Oct. 2018 The gray polymer shell, which partially conceals aircraft-grade aluminum, seems too skinny to support his weight; the ankle, too delicate for the 10,000 newtons of force it was built to withstand. Erik Sofge, Popular Mechanics, "Smart Bionic Limbs are Reengineering the Human," 28 May 2012 Collectively, these generate 22.8m newtons of thrust—about as much as eighteen 747 jetliners. The Economist, "Space flightThe biggest rocket in the world prepares for its maiden voyage," 18 Jan. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'newton.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of newton


1904, in the meaning defined above

History and Etymology for newton


Sir Isaac Newton

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Cite this Entry

“Newton.” Dictionary, Merriam-Webster, Accessed 15 May. 2021.

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More Definitions for newton


new·​ton | \ ˈn(y)üt-ᵊn How to pronounce newton (audio) \

Medical Definition of newton

: the unit of force in the metric system equal to the force required to impart an acceleration of one meter per second per second to a mass of one kilogram

More from Merriam-Webster on newton

Britannica English: Translation of newton for Arabic Speakers Encyclopedia article about newton

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