precession: meaning, definition, pronunciation and examples
C2Formal, technical, academic
Quick answer
What does “precession” mean?
The slow, gradual movement or rotation of the axis of a spinning body around another axis.
Audio
Pronunciation
Definition
Meaning and Definition
The slow, gradual movement or rotation of the axis of a spinning body around another axis.
Any slow, circular movement of a system or concept, especially one with a defined period or cycle; the act of preceding or moving ahead.
Dialectal Variation
British vs American Usage
Differences
No significant differences in meaning or usage.
Connotations
Purely technical term with no regional connotative variation.
Frequency
Equally rare in general use in both regions, confined to scientific/technical contexts.
Grammar
How to Use “precession” in a Sentence
precession of [NOUN PHRASE]precession caused by [NOUN PHRASE][NOUN PHRASE] undergoes precessionVocabulary
Collocations
Examples
Examples of “precession” in a Sentence
verb
British English
- The Earth's axis will continue to precess over millennia.
- The gyroscope began to precess when force was applied.
American English
- The spinning top started to precess around the vertical.
- Neutron stars can precess due to their asymmetry.
adverb
British English
- The axis moved precessionally over the centuries.
- The data showed the pole shifting precessionally.
American English
- The star's position changed precessionally relative to the calendar.
- The effect causes the orbit to rotate precessionally.
adjective
British English
- The precessional cycle of the Earth takes about 26,000 years.
- They calculated the precessional constant with great accuracy.
American English
- Precessional motion is key to understanding ancient star charts.
- The satellite's precessional drift was carefully monitored.
Usage
Meaning in Context
Business
Extremely rare; may appear metaphorically in high-level strategy discussions (e.g., 'a precession in market trends').
Academic
Common in physics, astronomy, engineering, and earth sciences papers.
Everyday
Almost never used.
Technical
Standard term in mechanics, astronomy, and gyroscope technology.
Watch out
Common Mistakes When Using “precession”
- Misspelling as 'procession' or 'precesion'. Confusing it with 'procession' (a parade). Using it as a verb ('to precess' is the verb).
FAQ
Frequently Asked Questions
No. Rotation is spinning on an axis. Precession is the slow, circular change in the direction of that axis itself.
The precession of the equinoxes, where Earth's rotational axis slowly traces a circle in space over a cycle of approximately 26,000 years.
Yes, the verb is 'to precess'. A spinning object 'precesses' around an axis.
No, it is a specialised scientific term rarely encountered outside physics, astronomy, or engineering contexts.
The slow, gradual movement or rotation of the axis of a spinning body around another axis.
Precession is usually formal, technical, academic in register.
Precession: in British English it is pronounced /prɪˈsɛʃ(ə)n/, and in American English it is pronounced /priˈsɛʃ(ə)n/. Tap the audio buttons above to hear it.
Phrases
Idioms & Phrases
- “precession of the equinoxes”
Learning
Memory Aids
Mnemonic
Think of a spinning top that slowly wobbles before it falls – its wobble is the PRECESSION. It PRECEDES the final fall by slowly changing orientation.
Conceptual Metaphor
A SLOW, INEVITABLE CYCLE (e.g., 'the precession of cultural values').
Practice
Quiz
What phenomenon does 'precession' primarily describe in astronomy?