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Definition of Precession

Babylon English

precedence; priority, antecedence; progress, advancement
Precession Definition from Language, Idioms & Slang Dictionaries & Glossaries
Webster's Revised Unabridged Dictionary (1913)
(n.)
The act of going before, or forward.
  
Webster's Revised Unabridged Dictionary (1913), edited by Noah Porter. About
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precession
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precession
\pre*ces"sion\ (?), n. [l. praecedere, praecessum, to go before: cf. f. précession. see precede.] the act of going before, or forward.


  similar words(3) 



 planetary precession 
 precession of the equinoxes 
 lunisolar precession 
for Vocabulary Exams of KPDS, YDS,UDS (in Turkey); and SAT in America
The act of going forward.
WordNet 2.0

Noun
1. the motion of a spinning body (as a top) in which it wobbles so that the axis of rotation sweeps out a cone
(hypernym) motion
2. the act of preceding in time or order or rank (as in a ceremony)
(synonym) precedence, precedency
(hypernym) activity
(derivation) precede, predate
Precession Definition from Government Dictionaries & Glossaries
DOD Dictionary of Military Terms
See apparent precession.
  
Source: U.S. Department of Defense, Joint Doctrine Division. ( About )
Precession Definition from Science & Technology Dictionaries & Glossaries
ASTRONOMY UNBOUND
The motion of the axis of rotation of a body around an axis fixed with respect to the stars. The earth is a giant gyroscope whose axis passes through the North and South Poles and this axis precesses with a period of 27,700 years.
Precession Definition from Encyclopedia Dictionaries & Glossaries
Wikipedia English - The Free Encyclopedia
Precession is a change in the orientation of the rotational axis of a rotating body. In an appropriate reference frame it can be defined as a change in the first Euler angle, whereas the third Euler angle defines the rotation itself. In other words, the axis of rotation of a precessing body itself rotates around another axis. A motion in which the second Euler angle changes is called nutation. In physics, there are two types of precession: torque-free and torque-induced.

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Precession Definition from Society & Culture Dictionaries & Glossaries
EPA Glossary of Climate Change Terms
The tendency of the Earth's axis to wobble in space over a period of 23,000 years. The Earth's precession is one of the factors that results in the planet receiving different amounts of solar energy over extended periods of time.
Provided as a public service by the U.S. Environmental Protection Agency. Reference list click here.
Precession Definition from Religion & Spirituality Dictionaries & Glossaries
Glossary of Astrological Terms
Due to the pole of the equator revolving around the pole of the ecliptic, the equinoctial point moves backward with relation to the constellations at the rate of approximately 50" per year. It makes a complete revolution through the twelve constellations in the great cosmic year of 25,920 earthly years, or 2160 years to pass through one constellation. There is disagreement among authorities as to the exact position of the vernal equinox (0° Aries) at present, but all are agreed that it is approaching the end of the Age of Pisces and entering the Age of Aquarius.