What is a diphthong?

  • Two vowels that make only one vowel sound, the sound of an A, E, I, O, or U.
    • examples:  email, fail, spoil, hail, & boil
  • A diphthong is only one syllable because it makes only one vowel sound.

Cite This Source

Fun Fact
Noon was the ninth hour
of the Roman day.

Diphthong Examples

All diphthongs are highlighted below, in red:
  • see
  • tea
  • free
  • eat
  • meat
  • feet
  • teeth
  • school
  • cheese
  • mouse
Bibliography Citations
MLA   |    APA   |   Chicago Manual Style