Explanation
A vowel is a speech sound produced with a relatively open vocal tract, without the closure or friction-producing constriction characteristic of certain consonants. Descriptive dimensions include tongue height, tongue position and lip rounding. These articulatory dimensions relate to acoustic properties but are not identical to letters. In connection with diphthongs and schwa, sound quality, duration and syllabic function must also be distinguished. Vowels frequently form syllable nuclei; this does not mean every nucleus must be a vowel or every vowel-like element must be syllabic in every analysis.
Movement of thought
1. Identify the sound rather than the letter. 2. Describe articulation. 3. Examine acoustic evidence. 4. Record syllabic function. 5. Compare contextual variants.
Scientific use case
Phonetics can investigate vowel spaces through articulatory and formant data.
Example
[i] and [u] differ in tongue position and lip rounding, among other properties; one letter can represent different vowels across languages.
Counterexample
A syllabic nasal demonstrates that syllable nucleus and vowel are not identical categories.
Distinction
Distinguish vowel from vowel letter, every syllable nucleus and necessarily constant sound quality.
Effect on thought and perception
The concept connects sound production with systematic differentiation.
Resonance
An open passage of airflow can produce many distinguishable sound qualities.
Provenance
Parallel corpus 98f0950771ae4662f291d2f15f5c51b6797f3c20ba458a68615cdb177002ea18; case-bounded source review accepted; human specialist review not claimed.
Cite this entry
Reich, Michael (Hrsg./ed.): „Vowel“. Atlas der Sprache, AT-NAV-G05-038. ATLAS 259, data model 1.6.0. https://atlasoflanguage.com/concept/AT-NAV-G05-038The address remains stable; editorial content may evolve. Editorial reading state: 2026-10-15. Include your access date for precise references.