French

Alternative forms

• diphthongue

Noun

diphtongue f ‎(plural diphtongues)

1. (grammar) diphthong
2. (incorrectly) digraph, trigraph

Derived terms

• diphtongaison
• diphtonguer

Etymology 2

Verb form of diphtonguer.

Verb

diphtongue

1. first-person singular present indicative of diphtonguer
2. third-person singular present indicative of diphtonguer
3. first-person singular present subjunctive of diphtonguer
4. third-person singular present subjunctive of diphtonguer
5. second-person singular imperative of diphtonguer