concerned with the sounds of speech; providing a symbol for each phoneme of language; (of a language) having a system of spelling close to the sounds represented by the letters
pertaining to speech sounds
Cases of word usage
1) (a letter or phonetic symbol representing) a speech sound produced by a complete or partial stoppage of the breath (consonant)
2) a vocal sound made without audible stopping of the breath; a letter or symbol used to represent such a sound (e.g. the letters 'a', 'e', 'i', 'o', 'u' and the phonetic symbols (vowel)