diphthongaison

== French == === Etymology === From diphthongue +‎ -aison. === Pronunciation === Homophone: diphthongaisons === Noun === diphthongaison f (plural diphthongaisons) alternative form of diphtongaison === Further reading === “diphthongaison”, in Trésor de la langue française informatisé [Digitized Treasury of the French Language], 2012