borehole: meaning, definition, pronunciation and examples
C1Technical/Formal
Quick answer
What does “borehole” mean?
a deep narrow hole made in the ground to locate water, oil, gas, or to study the geology of the earth.
Audio
Pronunciation
Definition
Meaning and Definition
a deep narrow hole made in the ground to locate water, oil, gas, or to study the geology of the earth
In computing, a 'digital borehole' metaphor can refer to a narrow, deep point of data access; in some contexts, it's used humorously for any very narrow, deep vertical opening
Dialectal Variation
British vs American Usage
Differences
No major lexical differences; term is identical in both varieties.
Connotations
Same technical/industrial connotations.
Frequency
Slightly more frequent in British English due to historical mining and geological surveying terminology, but very common in American technical contexts.
Grammar
How to Use “borehole” in a Sentence
[drill/construct/sink] a borehole [into/through] [the ground/aquifer/bedrock]borehole [yielded/provided/revealed] [water/data/samples]Vocabulary
Collocations
Examples
Examples of “borehole” in a Sentence
verb
British English
- The team will borehole the site next week.
- They've been boreholing in the area for months.
American English
- The contractor will borehole the property this fall.
- Boreholing operations are scheduled to begin.
adverb
British English
- N/A - Standard usage does not feature an adverb form.
American English
- N/A - Standard usage does not feature an adverb form.
adjective
British English
- The borehole data was inconclusive.
- We reviewed the borehole drilling techniques.
American English
- The borehole samples were sent for analysis.
- Borehole integrity is a major safety concern.
Usage
Meaning in Context
Business
Used in reports for mining, oil & gas, water resource, and civil engineering companies. 'The project budget includes drilling three exploratory boreholes.'
Academic
Common in geology, hydrology, environmental science, and engineering papers. 'Core samples from the borehole confirmed the stratigraphic sequence.'
Everyday
Rare. Might be used by homeowners discussing installing a water well. 'We need to get a borehole drilled for our water supply.'
Technical
The primary register. Used in site surveys, logging, and resource assessment with precise terminology. 'The borehole was grouted upon completion of testing.'
Vocabulary
Synonyms of “borehole”
Strong
Neutral
Vocabulary
Antonyms of “borehole”
Watch out
Common Mistakes When Using “borehole”
- Misspelling as 'boarhole'.
- Using it to describe any deep hole, like a cave or pit (it must be drilled).
- Pronouncing it as two separate, equally stressed words 'bore hole' in continuous speech.
FAQ
Frequently Asked Questions
Often, but not always. A 'borehole' specifically refers to the narrow, drilled hole itself. A 'well' often refers to the finished structure that uses a borehole, including casing, pump, and headworks, especially for water.
A borehole is typically narrow (inches to a few feet in diameter) and created by drilling. A mine shaft is much wider, allowing for human or equipment access, and is often excavated by different methods.
Yes, though it is less common and highly technical. It means 'to drill a borehole'. The standard verb is 'to drill'.
It is a deep, narrow, *artificially drilled* hole, primarily for exploration or extraction of subsurface resources or information.
a deep narrow hole made in the ground to locate water, oil, gas, or to study the geology of the earth.
Borehole is usually technical/formal in register.
Borehole: in British English it is pronounced /ˈbɔː.həʊl/, and in American English it is pronounced /ˈbɔːr.hoʊl/. Tap the audio buttons above to hear it.
Phrases
Idioms & Phrases
- “None specific to this term.”
Learning
Memory Aids
Mnemonic
BORE a HOLE. Imagine a giant mechanical drill (a bore) making a deep, narrow HOLE in the earth.
Conceptual Metaphor
A PROBE INTO THE UNKNOWN (e.g., 'The research was a borehole into the company's historical data').
Practice
Quiz
In which field would you MOST likely encounter the term 'borehole'?