precession
noun
the act or fact of preceding; precedence.
precessional
-
a word derived from
precession.
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Though this motion, or precession, is barely perceptible, the Martian axis leans in the opposite direction every 25,000 years, or halfway through a complete precessional cycle.
From Time Magazine Archive
I thought of the great precessional cycle that the pole of the earth describes.
From The Time Machine by H. G. (Herbert George) Wells
This fundamental advance rendered inevitable the detection of precessional effects.
From Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 7 "Arundel, Thomas" to "Athens" by Various
The movement of the moon's plane, only occupying about 18-2⁄3 years, is a very rapid motion compared with the whole precessional movement, which occupies about 26,000 years.
From The Story of the Heavens by Sir Robert S. (Robert Stawell) Ball
The precessional effect of the moon would accordingly tend to make the pole of the earth's axis describe a circle around that point in the heavens which is the pole of the moon's orbit.
From The Story of the Heavens by Sir Robert S. (Robert Stawell) Ball
