noun🔗ShareA complex vowel sound that begins with the sound of one vowel and ends with the sound of another vowel, in the same syllable."The word "boy" contains a diphthong, as the sound starts with the vowel "oy" sound starts with the sound of "o" and ends with the sound of "i". "languagephoneticslinguisticssoundgrammarwordChat with AIVocabulary GamePractice Reading
noun🔗ShareA vowel digraph or ligature."The word "audio" contains the diphthong "au". "languagegrammarlinguisticsphoneticsChat with AIVocabulary GamePractice Reading
