IPA: /ˌvoʊkəlaɪˈzeɪʃən/
KK: /voʊkəlaɪˈzeɪʃən/
The act of producing sounds with the voice, often to express thoughts or feelings.
The bird's vocalization was beautiful and filled the forest with music.
Vocalization → It is formed from "vocal" (from Latin "vocalis", meaning relating to the voice) and "-ization" (meaning the process of making or becoming). The word "vocalization" refers to the process of producing sounds or voices.
Think of 'vocal' relating to the 'voice' and '-ization' as the process of making. So, vocalization is the process of making sounds with the voice.