Assertion: diphthong | /r/HasProperty | double vowel
Facets:
Source sentences:
text: To put it simply: a monophthong is a single vowel and a diphthong is a double vowel.
text: However, English is a language known for being full of diphthongs (double vowels) that are represented by combinations of symbols.
text: To put it simply: a monophthong is a single vowel and a diphthong is a double vowel.