Assertion: diphthong's vowel | /r/CapableOf | change quality
Facets:
value: during its pronunciation
type: TEMPORAL
Source sentences:
text: Using our definition of diphthong -- a unitary vowel that changes quality during its pronunciation, or "glides", with a smooth movement of the tongue from one articulation to another -- is seems as though 'ju' would qualify as one.
text: that is, a unitary vowel that changes quality during its pronunciation, or "glides", with a smooth movement of the tongue from one articulation to another, as in the English words eye, boy, and cow.