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precession

pre·ces·sion

precession

 
pronunciation:
pr se shn
features:
Word Combinations (noun)
part of speech: noun
definition 1: the act or condition of preceding; precedence.
similar words:
precedence
definition 2: see precession of the equinoxes.
definition 3: the complex motion of a rotating body, such as a spinning top, when subjected to a disturbing force or torque that tends to move the axis of rotation in a direction perpendicular to the direction of the force, causing it generally to describe a cone.
Word CombinationsSubscriber feature About this feature
derivation: precessional (adj.)