pre·​cess | \ prē-ˈses How to pronounce precess (audio) , ˈprē-ˌses How to pronounce precess (audio) \
precessed; precessing; precesses

Definition of precess

intransitive verb

: to progress with a movement of precession

transitive verb

: to cause to precess

Examples of precess in a Sentence

Recent Examples on the Web If the black holes' spins are out of alignment with their orbit, then the black hole spins will precess like spinning tops while also maintaining their anti-alignment. Chris Lee, Ars Technica, 24 Jan. 2022 After that time, if all goes well, the second stage will fire for a third time to send the Tesla on a precessing Earth-Mars elliptical orbit around the Sun. Eric Berger, Ars Technica, 6 Feb. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'precess.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of precess

1892, in the meaning defined at intransitive sense

History and Etymology for precess

back-formation from precession

Learn More About precess

Time Traveler for precess

Time Traveler

The first known use of precess was in 1892

See more words from the same year

Dictionary Entries Near precess




See More Nearby Entries 

Statistics for precess

Cite this Entry

“Precess.” Dictionary, Merriam-Webster, Accessed 18 Aug. 2022.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon


Test Your Vocabulary

Odd Habits and Quirks

  • image1926873504
  • Which of the following best describes an easily irritated person?
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

Universal Daily Crossword

A daily challenge for crossword fanatics.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!