Skip to main content
to precess

to precess

1 9.9
Move slowly in a circle around a spinning object's middle, like a top
  • verb
  • /prɪˈsɛs/
  • Specialized
translation icon : precesar
  • As the gyroscope spins, its axis will precess due to the applied force acting on it.
  • orbit will precess
  • gyroscope might precess
  • precess 6.6 arcseconds

Doesn't precess, doesn't precess because there's no magnetic field.

Examples

  • The first two parameters were within acceptable limits, but when I checked with the alignment spotters along the z-axis, I found the ring precessing like a top.

    Fiction book (1999)
  • Einstein's verdict was as devastating as it was concise: the number of degrees of freedom through which the earlier compass could rotate was too small, so the compass would precess wildly under the oscillation of the ship.

    Academic text (1997)
  • And so these things will precess around that, right?

  • So this spin will precess and will go like this.

  • Well, they're going to precess, right?

  • In astronomical terminology, it will precess.

    Academic text (2005)
  • So that ellipse precesses around the Sun.

  • OK, so the north celestial pole precesses in a circle on the sky, right?

  • The orbit precesses by 5600 arcseconds per century.

    Academic text (1994)
  • Presumably, the system is actually a triple star, and the third body causes the plane of the orbit of the eclipsing pair to precess, and that causes the eclipses to turn on and off.

    Academic text (1999)

Synonyms

to rotate
vsto precess
144 3.0

To turn around a central point, like a wheel or planet

is a slow conical motion of a spinning object's axis
to revolve
vsto precess
41 3.2

To make something move in a circle around a central point

is specifically a slow conical motion of an object's axis rather than general circling
to gyrate
vsto precess
12 6.9

Spin around in circles or spirals

is the slow conical movement of a spinning object's axis rather than lively spiraling

Antonyms

75 4.3

To become steady and stop changing

Surface Forms

precess infinitive
precessed past
precessed past participle
precessing present participle
precesses third person singular

Etymology

Precess comes from Latin parts pre- 'before' and cedere 'to go', the same root as precede. Imagine a spinning top whose axis seems to 'go before' itself in a slow circle, and that image explains why to precess is to slowly move or turn around an axis.