live centre: meaning, definition, pronunciation and examples
Rare (C2)Technical/Industrial
Quick answer
What does “live centre” mean?
A fixed point (often a conical or pointed component in machinery) that remains stationary and supports a rotating workpiece.
Audio
Pronunciation
Definition
Meaning and Definition
A fixed point (often a conical or pointed component in machinery) that remains stationary and supports a rotating workpiece.
In manufacturing, particularly turning and grinding, the stationary point that provides support and alignment for a rotating object; by extension, a central, stable reference point in any system.
Dialectal Variation
British vs American Usage
Differences
Term is identical in form and meaning, but pronunciation of 'centre/center' differs. The spelling follows regional conventions: 'centre' (UK) vs. 'center' (US). The technical concept is universal.
Connotations
Purely technical; no differential connotation.
Frequency
Equally rare/technical in both dialects, used exclusively in mechanical engineering and machining contexts.
Grammar
How to Use “live centre” in a Sentence
[verb] the live centre: mount, align, engage, use, lubricateVocabulary
Collocations
Examples
Examples of “live centre” in a Sentence
adjective
British English
- The live-centre alignment is critical for precision.
American English
- The live-center alignment is critical for precision.
Usage
Meaning in Context
Business
Rare; might appear in procurement or technical specification documents for manufacturing equipment.
Academic
Used in engineering textbooks and papers on machining processes.
Everyday
Virtually never used.
Technical
Core term in mechanical engineering, specifically in descriptions of lathes and other turning machinery.
Vocabulary
Synonyms of “live centre”
Neutral
Weak
Vocabulary
Antonyms of “live centre”
Watch out
Common Mistakes When Using “live centre”
- Misspelling as 'life centre'.
- Using 'live center' in UK English texts (spelling error).
- Confusing it with a 'dead centre' (the stationary point in the tailstock).
FAQ
Frequently Asked Questions
No, it is a specialised technical term used almost exclusively in mechanical engineering and machining.
Here, 'live' means active or driving. It is the centre that is fixed but supports the rotating motion, as opposed to a 'dead centre' which does not rotate with the workpiece.
Yes. The standard UK spelling is 'live centre'. The standard US spelling is 'live center'.
Very rarely. In highly specialised business or systems theory, one might refer to a 'live centre of data' as a stable core processing point, but this is not a standard or recognised metaphorical extension.
A fixed point (often a conical or pointed component in machinery) that remains stationary and supports a rotating workpiece.
Live centre is usually technical/industrial in register.
Live centre: in British English it is pronounced /ˌlʌɪv ˈsɛntə/, and in American English it is pronounced /ˌlaɪv ˈsɛn.t̬ɚ/. Tap the audio buttons above to hear it.
Learning
Memory Aids
Mnemonic
Think of a LIVE wire carrying current – a LIVE centre is the active, supporting point that the workpiece rotates ON, not around.
Conceptual Metaphor
A FIXED HEART (the stable, central point from which activity radiates).
Practice
Quiz
In a lathe, what is the primary function of a live centre?