ˈvōkəˌlizəm noun
( -s )
Etymology: International Scientific Vocabulary vocal (I) + -ism
1. : the exercise of the vocal organs in song or speech : vocalization
2. : vocal art or technique : singing
mistresses of vocalism and … intelligent interpreters of songs — Virgil Thomson
singing with fervor and appeal and accomplishing her best vocalism of the season — New York Times
3.
a. : the vowel system (as of a language or dialect)
a vocalism richer than that of Greek — André Martinet
— compare consonantism
b. : the vowel or sequence of vowels or quality peculiar to the vowel of a word, syllable, or group of related words