transitive verb. : to change into a monophthong : to reduce (a diphthong or triphthong) to a simple vowel sound.

What is monophthong in English?

A monophthong (pronounced "Mono-F-thong") is simply a vowel. ... The word monophthong shows that a vowel is spoken with exactly one tone and one mouth position. For example, when you say "teeth", then while you are creating the sound of the "ee", nothing changes for that sound.

Which word means the same as Monophthongization?

Monophthongization is a sound change by which a diphthong becomes a monophthong, a type of vowel shift. It is also known as ungliding, as diphthongs are also known as gliding vowels. ... The opposite of monophthongization is vowel breaking.