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couple

couple

2 8.4
Two equal opposite forces that make something turn
  • noun
  • /ˈkʌpəl/
  • Specialized
translation icon : par de fuerzas
  • When two equal and opposite forces create a couple, they cause the object to rotate without changing its position.

Examples

  • Moreover, we do not know how all the atomic degrees of freedom couple to the motion.

    Academic text (1999)
  • In a physics experiment, the researcher applied a couple to the lever, which made it turn smoothly.

  • A couple had their "ready" lights on but refused to stop.

    Blog text (25)
  • And when you have a couple acting on a spinning body, you get this gyroscopic effect.

  • Phil explains how a couple of teeth must be missing on the flywheel.

    Fiction book (1991)
  • This is when the solar wind couples most closely with the Earth's magnetosphere.

    Blog text (28)
  • The engineer explained how different forces can form a couple to produce rotational motion in machines.

Synonyms

pair
vscouple
889 1.0

Two matching things considered together, like two socks

refers specifically to two equal opposite forces that cause rotation without translation

Idioms

144 1.0

A small number of things or people, usually two but sometimes a few

Compounds

1.0

A small number of things or people, usually two but sometimes a few

Two people who are married to each other

power couple
  • Literature
8 3.6

Two people in a romantic relationship who are both very successful and influential

moment of a couple
  • Specialized
8.6

A turning effect that two equal opposite forces make when they are apart

Two people in a romantic relationship who are not married to each other

Surface Forms

couple singular
couples plural

Etymology

Couple in physics follows the same idea from Latin copula 'link', because it is two forces linked together to make a turning effect without moving the object in a straight line.