diapir
/ˈdaɪ.ə.pɪə(ɹ)/noun
diapir is a noun meaning “An intrusion of a ductile rock into an overburden” (English Wiktionary, September 2026). It is spelled D-I-A-P-I-R and has 3 syllables, and it appears about once in every 95 million words in written English (wordfreq, 2021 data). The plural of diapir is diapirs.
What does diapir mean?
noun
- 1
An intrusion of a ductile rock into an overburden.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
How do you pronounce diapir?
- US /ˈdaɪ.ə.pɪə(ɹ)/
Diapir has 3 syllables (counted from the pronunciation).
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Recordings: LL-Q1860_(eng)-Vealhurl-diapir.wav, Wikimedia Commons (author and licence on each file's page).
Forms of diapir
- diapirs plural
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
How common is diapir?
Diapir appears about once in every 95 million words in written English, the 313,259th most frequent word form in the list.
Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).
Diapir in Spanish, French, German and Portuguese
In the sense intrusion of ductile rock:
| Language | Words |
|---|---|
| French | diapir |
| German | Diapir |
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Translations are Wiktionary's, by sense; a linked word has its own PlainSpell page.
Where does diapir come from?
From Ancient Greek διαπειραίνω (diapeiraínō, “to pierce through”).
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).