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precess Definition

pre·cess (prē ses′, pri-)

intransitive verb

to move by precession

Etymology: back-form. < precession

precess Usage Examples

Preposition: about

  • axis: The spin polarized beam is passed through a solenoid field which causes the spins to precess about the axis.

Object

  • epoch: The Astronomical Almanac reports the precessed epoch in decimal years.
  • jet: Numerical models have also been used to support the proposal developed here that precessing stellar jets will create high velocity stagnation knots.
  • ascension: The Astronomical Almanac reports the precessed right ascension of the object in hours, minutes and seconds for the epoch of observation.
  • declination: The Astronomical Almanac reports the precessed declination of the object in degrees, arcminutes and arcseconds for the epoch of observation.

Modifying Another Word

  • slowly: As the earth's axis slowly precesses, the time in the orbit at which the equinox occurs also moves slowly round the sun.
  • also: Precession The axis of rotation also precesses, that is it describes a circle in the sky every 51 000 years.