| Lemma | three-dimensional vowel system |
|---|---|
| Categoria grammaticale | N |
| Lingua | inglese |
| Sigla | Hockett (1958) |
| Titolo | A Course in Modern Linguistics |
| Sinonimi | |
| Rinvii | two-dimensional vowel system (inglese) |
| Traduzioni | |
| Citazioni | In one of ‘three-dimensional’ system, lip position and tongue frontness or backness work independently: of the eight vowels of Turkish, four are high and four low, four front and four back, four unrounded and four rounded. |