Vocalization, or vocalisation (see spelling differences), may refer to: Speech communication Vocal music A type of animal communication involving their vocal cords L-vocalization, a process by which an /l/ sound (a lateral consonant)'s replaced by a vowel or semivowel sound Use of diacritics to denote vowels: » *Harakat, in the Arabic alphabet *Niqqud, in the Hebrew alphabet » :Vocalization (also called vowelisation or diacritisation) serves an important role in Arabic and Hebrew to show the… (More on Vocalization)