What is the term for a vowel sound that starts at one position and glides to another within the same syllable?AMonophthongBDiphthongCTriphthongDSchwaAnswer: B. Diphthong Read Explanation: The term for a vowel sound that starts at one position and glides to another within the same syllable is a diphthong.A diphthong is a complex vowel sound that involves a smooth transition from one vowel quality to another. Examples in English include:/aɪ/ as in "time" (/taɪm/)/ɔɪ/ as in "boy" (/bɔɪ/)/aʊ/ as in "house" (/haʊs/) Read more in App