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diphthong

Upper-Intermediate (B2)

IPA: /ˈdɪfθɔŋ/

KK: /ˈdɪfθɔŋ/

noun
Definition

A sound made by combining two vowel sounds in one syllable, where the sound starts as one vowel and glides into another, like the sound in the word 'coin'.


Example

In English, the word 'coin' contains a diphthong.


Conversation
Sloth A
Have you ever heard about the concept of a diphthong?
Sloth B
Yeah, I learned about that in my linguistics class.
Sloth A
It's fascinating how some vowel sounds can blend together to form a diphthong.
Sloth B
Absolutely! It really changes how we pronounce words.

Synonyms & Antonyms
Synonyms
glide
vowel
sound
Antonyms
monophthong
silence
pause
Root Explanation

Diphthong → It is formed from "di-" (meaning two) and "phthongos" (meaning sound or voice in Greek). The word "diphthong" refers to a complex vowel sound that begins with one vowel sound and glides into another, thus involving two sounds.

Memory Tip

Think of 'two' ('di-') sounds blending together ('phthongos') to remember that a diphthong is a combination of two vowel sounds.

Visually Confused Words
triphthong
aphthong
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