Open central unrounded vowel

The open central unrounded vowel, also called the low central unrounded vowel, is a special vowel sound used in many languages. It is made when the mouth is open and relaxed, with the tongue near the middle of the mouth. This vowel does not have a specific letter in the International Phonetic Alphabet, but it is often written as ⟨a⟩.

When more detail is needed, people can add special marks to the letter ⟨a⟩, such as ⟨ä⟩. Some experts who study the Chinese language, called Sinologists, sometimes use a small capital letter ⟨ᴀ⟩ for this sound. However, this special symbol is not officially part of the International Phonetic Alphabet.

This vowel sound appears in many languages, and it plays an important role in how we speak and understand words. Learning about different vowel sounds helps us appreciate the variety of sounds in human speech.

Features

The open central unrounded vowel is a special sound used in many languages. The tongue is low in the mouth, far from the roof. It is in the middle, between a front vowel and a back vowel. The lips are not rounded when making this sound.

Occurrence

Most languages have an unrounded open vowel. The International Phonetic Alphabet uses the symbol ⟨a⟩ for both front and central unrounded open vowels. This can make it hard to know which one a language uses. Sometimes, there is no real difference between the two sounds. (See Vowel § Acoustics.)