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Sound Terms
Terms for categorising sounds in English.
| Term | Definition |
|---|---|
| Voiced | The vocal cords vibrate. |
| Unvoiced | The vocal cords do NOT vibrate. |
| Bilabial | The mouth remains closed. |
| Labiodental | The lower lip touches the top teeth. |
| Dental | The tongue touches the teeth. |
| Alveolar | The tongue presses the roof of the mouth behind the top front teeth; the alveolar ridge. |
| Postalveolar | The tongue touches the roof of the mouth just behind the alveolar ridge. |
| Palatal | The tongue touches the hard palate; the hard section of the roof of the mouth. |
| Velar | The back of the tongue touches the back of the roof of the mouth; the soft palate. |
| Glottal | A sound made in the throat at the vocal cords. Note: Does NOT automatically mean the vocal cords will vibrate. |
| Labial-velar | Both the lips and the back of the tongue are involved to properly make the sound. |
| Retroflex | The tongue curls back towards the postalveolar region (The part of the mouth behind the alveolar ridge) or hard palate but does not touch the roof of the mouth or the top teeth. |
| Plosive | Air is blocked then quickly released. |
| Nasal | The final sound will come out of the nose instead of the mouth. |
| Fricative | Air will be squeezed through a small space in the mouth, causing friction. |
| Affricate | A combination of a plosive and a fricative. |
| Approximant | Air flows out of the mouth freely with minimal obstruction. |
| Lateral approximant | An approximant where air flows from the sides of the tongue instead of the middle. |