Main definitions of newton in US English:

: newton1Newton2

newton1

(also N)

noun

Physics
  • The SI unit of force. It is equal to the force that would give a mass of one kilogram an acceleration of one meter per second per second, and is equivalent to 100,000 dynes.

    • ‘A newton has a mass unit of kilograms and an acceleration unit of meters squared per second.’
    • ‘The foot pad has an area of about 100 mm and can produce 10 newtons of adhesive force (enough to support two pounds).’
    • ‘Timber can usually soften and take about 100 kilograms, 1,000 newtons per square centimetre.’
    • ‘Both are units of force, but one pound-force is equal to 4.45 newtons.’
    • ‘The prop engine has been replaced with two 1,800-newton thrust rocket engines.’

Origin

Early 20th century: named after Sir Issac Newton (see Newton, Sir Isaac).

Pronunciation

newton

/ˈn(j)utn//ˈn(y)o͞otn/

Main definitions of newton in US English:

: newton1Newton2

Newton2

proper noun

  • A city in eastern Massachusetts, on the Charles River, west of Boston; population 82,139 (est. 2008).

Pronunciation

Newton

/ˈn(y)o͞otn//ˈn(j)utn/