The dieresis is the symbol placed over a letter that is most commonly a vowel. When that letter is an i or a j, the diacritic replaces the tittle: i.
For a short vowel sound, a curved line called a breve is placed above the letter (ă).For a long vowel sound, a straight line or bar called a macron is used (ā).
Depending upon which symbol you mean, it usually means that symbol DOUBLED.
The symbol over the é in café is there because the acute accent (accent aigu) indicates pronunciation.
An accent.
Breve
The symbol that denotes the vowel sound is called a vowel symbol or a vowel character. It is used to represent specific vowel sounds in phonetic transcription or in the International Phonetic Alphabet (IPA).
The symbol used to denote a long vowel sound is a horizontal line above the vowel letter. For example, the long vowel sound in the word "cake" is represented by the symbol /ā/.
The pronunciation symbol for the vowel sound in the word "trace" is /eɪ/.
The long vowel symbol is a bar across the top of the letter, called a macron.The short vowel symbol is a U-shaped curved line called a breve.
The short vowel symbol is called a breve. It looks like a small curved line placed above a vowel letter.
A bar over a vowel, also known as a macron, typically indicates a long vowel sound in phonetics. It shows that the vowel is pronounced for a longer duration than a short vowel.
Macron
The curved line over a short vowel is called a breve. It is used to indicate a short pronunciation of the vowel.
The long vowel symbol is a bar across the top of the letter, which is called a macron.The short vowel symbol is a U-shaped curved line called a breve.
Over a long vowel it is called a breve, and over a short vowel, I believe it is called a circumflex.
Accenture
A breve (˘) is the symbol used to indicate a short vowel sound in phonetic transcription.