Standard Lemma guide

downhole

adj · noun · 1 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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No pronunciation record was provided for this word.

1

adj

Meaning 1

Located in the drilled bore of an oil well either underground or undersea.

Definition source: English Wiktionary via Wiktextract

Qualifier: oil industry

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

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.