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ithout any noticeable change in vowel quality. Diphthong: A vowel which is usually considered as one distinctive vowel of a particular language but really involves two vowels, with one vowel gliding to the other. A triphthong is “a glide from one vowel to another and then to a third, all produced rapidly and without interruption” 11. Vowel glides: Vowels where there is an audible change of quality.12. Received Pronunciation (RP): The type of British Standard English pronunciation which has been regarded as the prestige variety and which shows no regional variation. It has often been popularly referred to as “BBC English” or “Oxford English” because it is widely used in the private sector of the education system and spoken by most newsreaders of the BBC network.13. coarticulation: when simultaneous or overlapping articulations are involved, we call the process. If the sound bees more like the following sound, as in the case of lamb, it is known as anticipatory coarticulation. If the sound shows the influence of the preceding sound, it is perseverative coarticulation, as is the case of map.14. Nasalization: Change or process by which vowels or consonants bee nasal.15. Diacritics: Any mark in writing additional to a letter or other basic elements.16. The use of a simple set of symbols in our transcription is called a broad transcription. The use of more specific symbols to show more phonetic detail is referred to as a narrow transcription. The former was meant to indicate only these sounds capable of distinguishing one word from another in a given language while the latter was meant to symbolize all the possible speech sounds, including even the minutest shades of pronunciation.17. phonetics vs. phonology:Phonetics is