diphthongieren
German, verb
diphthongieren is spelled D-I-P-H-T-H-O-N-G-I-E-R-E-N (14 letters). Diphthongieren is a German verb meaning “to diphthongize” (English Wiktionary, September 2026). With a capital, Diphthongieren is a different word: “gerund of diphthongieren”. The German Wiktionary defines it as “einen Monophthong (einen einfachen Vokal) durch einen Diphthong (eine Folge aus zwei Vokalen) ersetzen”.
What does diphthongieren mean in English?
verb
- 1
to diphthongize
noun
- 1
neutergerund of diphthongieren
Source: English Wiktionary, German section, dump of September 2, 2026 (CC BY-SA 4.0).
How German dictionaries define it
verb: 1. einen Monophthong (einen einfachen Vokal) durch einen Diphthong (eine Folge aus zwei Vokalen) ersetzen 2. sich von einem Monophthong zu einem Diphthong entwickeln
The definition in the German Wiktionary, in German.
Source: German Wiktionary, dump of September 1, 2026 (CC BY-SA 4.0), through kaikki.org.
Forms of diphthongieren
- diphthongiert present singular third-person
- diphthongierte past
- haben auxiliary
- diphthongierend participle present
- diphthongiere first-person indicative present
- diphthongierst indicative present second-person
- diphthongierest second-person singular subjunctive
- diphthongieret plural second-person subjunctive
- diphthongierten first-person indicative plural
- diphthongiertest indicative preterite second-person
- diphthongiertet indicative plural preterite
- diphthongier imperative second-person singular
- habe diphthongiert first-person indicative multiword-construction
- haben diphthongiert first-person indicative multiword-construction
- diphthongier! imperative singular
- diphthongiere! imperative singular
- diphthongiert! imperative plural
- sein auxiliary perfect
Source: English Wiktionary and German Wiktionary (dumps of September 2, 2026 and September 1, 2026).