Definition of diphthong
diphthongalplay \dif-ˈthȯŋ-(g)əl, dip-\ adjective
Examples of diphthong in a sentence
The sounds of “ou” in “out” and of “oy” in “boy” are diphthongs.
Origin and Etymology of diphthong
Middle English diptonge, from Medieval French diptongue, from Late Latin dipthongus, from Greek diphthongos, from di- + phthongos voice, sound
First Known Use: 15th century
DIPHTHONG Defined for English Language Learners
Definition of diphthong for English Language Learners
linguistics : two vowel sounds joined in one syllable to form one speech sound
DIPHTHONG Defined for Kids
Definition of diphthong for Students
: two vowel sounds joined in one syllable to form one speech sound <The sounds of “ou” in “out” and of “oy” in “boy” are diphthongs.>
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