sibilation

[n] - pronunciation with a sibilant (hissing or whistling) sound
Found on http://www.webdictionary.co.uk/definition.php?query=sibilation

Sibilation

• (n.) Utterance with a hissing sound; also, the sound itself; a hiss.
Found on http://thinkexist.com/dictionary/meaning/sibilation/

sibilation

assibilation noun pronunciation with a sibilant (hissing or whistling) sound
Found on https://www.encyclo.co.uk/local/20974

Sibilation

Sib`i┬Ěla'tion noun [ Latin sibilatio .] Utterance with a hissing sound; also, the sound itself; a hiss. « He, with a long, low sibilation , stared.» Tennyson.
Found on http://www.encyclo.co.uk/webster/S/97
No exact match found