Standard Lemma guide

diapir

noun · 2 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

Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.

  • UK, US: /ˈdaɪ.ə.pɪə(ɹ)/
  • Southern-England: Recorded audio is listed in the source snapshot.

1

noun

Meaning 1

An intrusion of a ductile rock into an overburden.

Definition source: English Wiktionary via Wiktextract

Topics: geography, geology, natural-sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

a domed rock formation where a core of rock has moved upward and pierced through the more brittle overlying strata

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: geological formation, formation

History

Etymology

From Ancient Greek διαπειραίνω (diapeiraínō, “to pierce through”).

Across languages

Translations

6 source translations are retained for this English entry.

  • Armenian: դիապիր (diapir) — intrusion of ductile rock
  • Czech: diapir — intrusion of ductile rock
  • Finnish: diapiiri — intrusion of ductile rock
  • French: diapir — intrusion of ductile rock
  • German: Diapir — intrusion of ductile rock
  • Russian: диапир (diapir) — intrusion of ductile rock