The system of vowels used in a particular language. Synonym:vowel system.
2.
The sound made by the vibration of vocal folds modified by the resonance of the vocal tract. Synonyms:phonation, vocalisation, vocalization, voice, vox."The giraffe cannot make any vocalizations"
... simple Welsh melodies were delicious; they as far excelled the outpourings of the other singers as the compositions of Mendelssohn or Bellini surpass a midnight feline concert. I have heard Chinese singing, and have come to the conclusion, that, next to it, Welsh prize-vocalism is the most ear-distracting ... — Atlantic Monthly, Vol. 1, No. 5, March, 1858 • Various