Precession Definition

prē-sĕshən
noun
The act of preceding; precedence.
Webster's New World

Precession of the equinoxes.

Webster's New World
An effect exhibited by a spinning body, as a top, when an applied torque tends to change the direction of its rotational axis, causing this axis generally to describe a cone and to turn at right angles to the direction of the torque.
Webster's New World
A slow gyration of the earth's rotational axis around the pole of the ecliptic, caused by the gravitational pull of the sun, moon, and other planets on the earth's equatorial bulge.
American Heritage

(uncountable) Precedence.

Wiktionary
Synonyms:

Other Word Forms of Precession

Noun

Singular:
precession
Plural:
precessions

Origin of Precession

  • Late Latin praecessiō praecessiōn- from Latin praecessus past participle of praecēdere to go before precede

    From American Heritage Dictionary of the English Language, 5th Edition

Precession Sentence Examples

  • The laws of motion of the ecliptic and equator are stated in the article Precession Of The Equinoxes.

  • Its steady retrogression among the stars became manifest to him in 130 B.C., on comparing his own observations with those made by Timocharis a century and a half earlier; and he estimated at not less than 36" (the true value being so") the annual amount of " precession."

  • Apply these equations to the motion of symmetrical rotors, to explain the phenomena of precession, nutation and the rate gyroscope.

  • Precession The axis of rotation also precession The axis of rotation also precesses, that is it describes a circle in the sky every 51 000 years.

  • The displacement of the position of the First Point of Aries with time is called the precession of the equinox.

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Words Starting With

PPRPRE

Words Ending With

NONION

Unscrambles

precession

Words Starting With P and Ending With N

Starts With P & Ends With NStarts With PR & Ends With NStarts With P & Ends With ON

Word Length

10 Letter Words10 Letter Words Starting With P10 Letter Words Ending With N