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rebore

Low
UK/ˌriːˈbɔː/US/ˌriˈbɔr/

Technical

My Flashcards

Definition

Meaning

To bore (a hole, cylinder, etc.) again, especially to enlarge it to a standard size.

The process or result of boring something again, typically referring to engine cylinders in automotive or mechanical contexts.

Linguistics

Semantic Notes

Primarily used in mechanical engineering, automotive repair, and machining. The noun form refers to the process or the resulting enlarged cylinder.

Dialectal Variation

British vs American Usage

Differences

No significant differences in meaning or usage; spelling and pronunciation are consistent.

Connotations

Technical/mechanical procedure in both varieties.

Frequency

Equally low frequency in both dialects, confined to specialist contexts.

Vocabulary

Collocations

strong
engine reborecylinder reboreneeds a rebore
medium
rebore the blockrebore kitcost of rebore
weak
complete reboreprofessional reborerebore service

Grammar

Valency Patterns

[Subject] rebored [Object] (e.g., The mechanic rebored the cylinder.)[Object] was rebored (e.g., The engine was rebored last year.)

Vocabulary

Synonyms

Strong

overbore

Neutral

re-machinere-hone

Weak

resizeenlarge

Vocabulary

Antonyms

original borestandard bore

Phrases

Idioms & Phrases

  • “[No common idioms]”

Usage

Context Usage

Business

Rare; might appear in automotive service estimates or parts catalogues.

Academic

Used in engineering textbooks or papers on engine design/maintenance.

Everyday

Virtually unused except by mechanics or classic car enthusiasts.

Technical

Standard term in automotive engineering, machining, and mechanical repair manuals.

Examples

By Part of Speech

verb

British English

  • The garage will rebore the engine to restore compression.
  • We need to rebore the cylinder to the next oversize.

American English

  • The shop rebored the block to fix the scoring.
  • They had to rebore it after the piston seizure.

adverb

British English

  • [Not used as adverb]

American English

  • [Not used as adverb]

adjective

British English

  • [Not standard as adjective]

American English

  • [Not standard as adjective]

Examples

By CEFR Level

A2
  • [Too technical for A2]
B1
  • The old car engine needs a rebore.
B2
  • After the overheating, the mechanic recommended a rebore to fix the cylinder wear.
C1
  • Precision reboring of the cylinders is essential when rebuilding a high-performance engine to exact tolerances.

Learning

Memory Aids

Mnemonic

Think RE-BORE: you BORE a cylinder, and if it's worn, you do it again (RE).

Conceptual Metaphor

Renewal through re-creation (making the cylinder 'new' again by re-shaping it).

Watch out

Common Pitfalls

Translation Traps (for Russian speakers)

  • Avoid translating as 'пересверлить' (which implies drilling through). The correct technical equivalent is 'расточить' or 'перерасточить' (cylinder).

Common Mistakes

  • Confusing with 'reborn' or 'rebound'. Using as a general term for repair instead of specific boring operation.

Practice

Quiz

Fill in the gap
The worn cylinder liners meant the entire block had to be .
Multiple Choice

In which context is 'rebore' most appropriately used?

FAQ

Frequently Asked Questions

Primarily, but it can refer to reboring any cylindrical hole in machining, such as in pump housings or gun barrels.

Yes, e.g., 'The engine is in for a rebore.'

'Bore' is the initial machining of a cylinder; 'rebore' is doing it again, usually to remove wear or damage.

Less common than in the past due to more durable materials and replaceable cylinder liners, but still done in classic car restoration and some industrial applications.