Vowel-chime can be defined as a musical instrument that produces a sound corresponding to the vowels of human speech. Some synonyms for vowel-chime include phoneme chime, vocal chime, speech chime, or language chime. These alternative terms highlight the instrument's relationship to linguistic sounds and its potential use in language education or therapy. Additionally, other terms related to vowel-chime's construction or context include acoustic resonator, sound tube, vowel pipe, or phonetic instrument. These synonyms illustrate ways to describe the instrument's unique qualities, such as its ability to produce pure vowel sounds and its use as a tool for speech therapy or language learning.