“It does look more like a triphthong than a diphthong, but the middle sound is high-central or even high-back.”

“Some linguists use the terms diphthong and triphthong only in this phonemic sense.”

“Only the first two of these four words contain a triphthong.”

“Leaving the triphthongs aside for now, when diphthongs occur, they vary, causing new phonemes to arise.”

“Although Lee and Zee always segmented at C-V and V-C boundaries, they kept diphthongs and triphthongs intact.”

“Vowels, diphthongs, triphthongs and consonants are taught using the IPA for the purpose of eliminating regional characteristics in the student's speech pattern.”