Dictionary

precession

noun pre·ces·sion \prē-ˈse-shən\

Definition of PRECESSION

:  a comparatively slow gyration of the rotation axis of a spinning body about another line intersecting it so as to describe a cone
pre·ces·sion·al \-ˈsesh-nəl, -ˈse-shə-nəl\ adjective
ADVERTISEMENT

Origin of PRECESSION

New Latin praecession-, praecessio, from Medieval Latin, act of preceding, from Latin praecedere to precede
First Known Use: 1879

Browse

ADVERTISEMENT
How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears