the diphthong /eɪ/ as in ace and big, usually when ⟨a⟩ is followed by just one, or often two, consonants after which you can A further vowel letter—this final results from Center English lengthening followed by The good Vowel ChangeDuring the Worldwide Phonetic Alphabet, ⟨a⟩ is employed for the open up entrance unrounded vowel, ⟨ä⟩