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The contrastive hierarchy in phonology 2009 Dresher.pdf - CUNY ...

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(5.32) I present the geometry proposed by Clements and Hume (1995: 292). 16<br />

<strong>The</strong>se trees conta<strong>in</strong> two k<strong>in</strong>ds of nodes. Term<strong>in</strong>al nodes <strong>in</strong> square brackets, such<br />

as [nasal], [cont<strong>in</strong>uant], and [labial], are features. <strong>The</strong> other nodes, such as<br />

laryngeal, oral cavity, and C-place, are class labels that function as organiz<strong>in</strong>g<br />

nodes, group<strong>in</strong>g together the features below them. <strong>The</strong> root node receives special<br />

treatment, as it is considered to be not just an organiz<strong>in</strong>g node, but also bears the<br />

major class features [sonorant], [approximant], and [vocoid].<br />

(5.32) Feature geometry (Clements and Hume 1995: 292)<br />

a. Consonants<br />

laryngeal<br />

[spread]<br />

[constricted]<br />

[labial]<br />

[nasal]<br />

€<br />

[voiced]<br />

[anterior]<br />

C-place<br />

[coronal]<br />

[dorsal]<br />

[distributed]<br />

oral cavity<br />

207<br />

[cont<strong>in</strong>uant]<br />

16 <strong>The</strong> feature [vocoid] is the converse of [consonantal], and the class of vocoids <strong>in</strong>cludes vowels<br />

and glides.<br />

root<br />

⎡ ±sonorant ⎤<br />

⎢<br />

⎥<br />

⎢ ±approximant⎥<br />

⎣ ⎢ –vocoid ⎦ ⎥

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