highwall: meaning, definition, pronunciation and examples

C1
UK/ˈhaɪwɔːl/US/ˈhaɪwɔːl/

Technical / Industrial

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Quick answer

What does “highwall” mean?

A steep, man-made vertical face or cliff, typically created by excavation or mining operations.

Audio

Pronunciation

Definition

Meaning and Definition

A steep, man-made vertical face or cliff, typically created by excavation or mining operations.

A tall, exposed vertical surface resulting from human activity, especially in surface mining or quarrying; can also refer to the unstable face of a deep excavation.

Dialectal Variation

British vs American Usage

Differences

The term is used identically in both mining and civil engineering contexts in the UK and US. Spelling is consistent.

Connotations

Associated with surface coal mining, safety hazards, and environmental impact in both regions.

Frequency

Equally low-frequency in general language but standard within the mining industries of both countries.

Grammar

How to Use “highwall” in a Sentence

The [excavation] left a highwall[Number]-metre highwallMine the highwall

Vocabulary

Collocations

strong
highwall mininghighwall minerhighwall stabilityhighwall failure
medium
steep highwallcoal highwallexcavated highwall
weak
dangerous highwallunstable highwallcollapsing highwall

Examples

Examples of “highwall” in a Sentence

verb

British English

  • The plan is to highwall the remaining seam next quarter.
  • They decided against highwalling that section due to fault lines.

American English

  • The contractor will highwall the southern pit to access deeper coal.
  • Highwalling operations were halted for a safety inspection.

adjective

British English

  • The highwall mining technique is highly efficient.
  • A highwall stability assessment is mandatory.

American English

  • The highwall miner is a specialized piece of equipment.
  • Highwall retreat mining is a common method.

Usage

Meaning in Context

Business

Used in reports on mining operations and site safety.

Academic

Found in geology, mining engineering, and environmental science papers.

Everyday

Virtually never used in everyday conversation outside mining communities.

Technical

Core term in surface mining, geotechnical engineering, and quarrying.

Vocabulary

Synonyms of “highwall”

Strong

pit highwallmine highwall

Neutral

vertical faceexcavation facepit wall

Weak

cliffescarpmentsteep side

Vocabulary

Antonyms of “highwall”

low wallgentle slopegraded embankment

Watch out

Common Mistakes When Using “highwall”

  • Misspelling as two words: 'high wall'.
  • Using it to describe any tall natural cliff.

FAQ

Frequently Asked Questions

It is a closed compound noun: 'highwall'. Writing it as two words ('high wall') changes the meaning to a generic tall wall.

No, it specifically refers to an artificial, man-made vertical face created by excavation or mining. A natural cliff would be called a 'cliff', 'escarpment', or 'bluff'.

A 'highwall miner' is a type of continuous mining machine used to extract coal from the exposed face (highwall) of a surface mine after the primary excavation is complete.

Because its meaning is precise and limited to specific industries like mining, quarrying, and civil engineering. It is not part of general, everyday vocabulary.

A steep, man-made vertical face or cliff, typically created by excavation or mining operations.

Highwall is usually technical / industrial in register.

Highwall: in British English it is pronounced /ˈhaɪwɔːl/, and in American English it is pronounced /ˈhaɪwɔːl/. Tap the audio buttons above to hear it.

Phrases

Idioms & Phrases

  • Driving the highwall (mining slang for aggressive excavation)

Learning

Memory Aids

Mnemonic

Think HIGH + WALL: a very high, man-made wall of earth/rock.

Conceptual Metaphor

NATURE AS A RESOURCE (the earth cut open and exposed); DANGER AS A PRECIPICE (the unstable edge).

Practice

Quiz

Fill in the gap
After the surface coal was removed, the massive remained, dominating the landscape.
Multiple Choice

In which context is the word 'highwall' most precisely used?