Sibilantm
Sibilantm is a term that refers to a specific type of speech sound. It is characterized by the production of a hissing or whistling sound, often created by the passage of air over a narrow channel in the mouth. These sounds are common in many languages and are typically produced using the tongue and teeth.
The most well-known sibilant sounds are the /s/ and /z/ sounds, as heard in words like "snake"
Difficulty producing sibilant sounds can be an indicator of various speech impediments or disorders, such as