Procession vs. Precession: What's the Difference?

Procession and Precession Definitions
Procession
A group of persons, vehicles, or objects moving along in an orderly, formal manner.
Precession
The act or state of preceding; precedence.
Procession
The movement of such a group.
Precession
(Physics) The motion of the axis of a spinning body, such as the wobble of a spinning top, when there is an external force acting on the axis.
Procession
(Theology) Origination; emanation
The procession of the Holy Spirit.
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Precession
Precession of the equinoxes.
Procession
To form or go in a procession.
Precession
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.
Procession
The act of progressing or proceeding.
Precession
(uncountable) Precedence.
But as it will not do to talk entirely at random, as Montaigne does, and Ralph Waldo Emerson tries to do, we must take up some little thread or threads. and string our thoughts thereupon, keeping up also a relation among them of precession and succession.
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Procession
A group of people or things moving along in an orderly, stately, or solemn manner; a train of persons advancing in order; a retinue.
A procession of mourners
The Lord Mayor's procession
Precession
The wobbling motion of the axis of a spinning body when there is an external force acting on the axis.
Procession
A number of things happening in sequence (in space or in time).
Precession
The slow gyration of the earth's axis around the pole of the ecliptic, caused mainly by the gravitational torque of the sun and moon.
Procession
Litanies said in procession and not kneeling.
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Precession
Any of several slow changes in an astronomical body's rotational or orbital parameters.
Procession
(cricket) The rapid dismissal of a series of batsmen.
Precession
The act of going before, or forward.
Procession
(intransitive) To take part in a procession.
Precession
The motion of a spinning body (as a top) in which it wobbles so that the axis of rotation sweeps out a cone
Procession
To honour with a procession.
Precession
The act of preceding in time or order or rank (as in a ceremony)
Procession
To ascertain, mark, and establish the boundary lines of (lands).
Procession
The act of proceeding, moving on, advancing, or issuing; regular, orderly, or ceremonious progress; continuous course.
That the procession of their life might be
Procession
That which is moving onward in an orderly, stately, or solemn manner; a train of persons advancing in order; a ceremonious train; a retinue; as, a procession of mourners; the Lord Mayor's procession.
Here comes the townsmen on procession.
Procession
An orderly and ceremonial progress of persons, either from the sacristy to the choir, or from the choir around the church, within or without.
Procession
An old term for litanies which were said in procession and not kneeling.
Procession
To ascertain, mark, and establish the boundary lines of, as lands.
Procession
To march in procession.
Procession
To honor with a procession.
Procession
(theology) the origination of the Holy Spirit at Pentecost;
The emanation of the Holy Spirit
The rising of the Holy Ghost
The doctrine of the procession of the Holy Spirit from the Father and the Son
Procession
The group action of a collection of people or animals or vehicles moving ahead in more or less regular formation;
Processions were forbidden
Procession
The act of moving forward toward a goal