downhole.
Located in the drilled bore of an oil well either underground or undersea.
Meaning & usage
Located in the drilled bore of an oil well either underground or undersea.
Where this word comes from
Etymology tree English down- Proto-Germanic *hulaz Proto-Germanic *hulą Proto-West Germanic *hol Old English hol Middle English hole English hole English downhole From down- + hole.
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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.