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Phonology Q1047
Distinctive features handout
1
Distinctive features
1.1. Major class features
vowels glides (= semi-
vowels: j w )
laryngeals
( h  )
syllabic
nasals and
liquids
non-syllabic
nasals and
liquids
plosives,
affricates,
fricatives
[consonantal]
+
+
+
[sonorant]
+
+
+
+
[syllabic]
+
+
Classes of sounds defined by major class features:
[+cons] nasals, liquids, plosives, affricates, fricatives
[–cons] vowels, glides, laryngeals
[+son] vowels, glides, nasals/liquids
[–son] obstruents (= laryngeals, plosives, affricates, fricatives)
[+syl] vowels, syllabic nasals/liquids
[–syl] glides, laryngeals, non-syllabic nasals/liquids, plosives, affricates,
fricatives
[+cons, +son] nasals/liquids
[+cons, –son] plosives, affricates, fricatives (not laryngeals)
[–cons, +son] vowels, glides
[–cons, –son] laryngeals
[+syl, +cons] syllabic nasals/liquids
[+syl, –cons] vowels
[–syl, +cons] non-syllabic nasals/liquids, plosives, affricates, fricatives
[–syl, –cons] glides, laryngeals
[–syl, +son] glides, non-syllabic nasals/liquids
[–syl, +cons, +son] non-syllabic nasals/liquids
[–syl, –cons, +son] glides
Redundancy: [+syl] → [+son]
[–son] → [-syl]
1.2. Further major class features ([approximant] as in Spencer 1996)
vowels glides laryngeals
liquids
nasals
obstruents
[approximant]
+
+
+
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Phonology Q1047
Distinctive features handout
2
2-3. Manner features and laryngeal features (consonants)
j/w h  l r nasal t t t  d t ts  s
[ cont inuant] 1
+
+
±
+
+
+
[ del ayed rel ease]
+
+
[ lat eral]
+
[ nas al]
+ − − − − − − − − −
− − − − −
[ distr ibuted]
(+)
(–)
(–)
+
+
+
+
+
+
+
[ voi ce]
+
+
+
+
+
+
[ spread glottis]
+
+
+
[ constr icted glottis] − −
− −
+ + − − − − −
1 . Gussenhoven & Jacobs (1998: 73-74) discuss whether [continuant] should apply at all to
laryngeal consonants.
4. Place features (consonants)
a) Binary feature account
labials
dentals/
alveolars
post-alveolars/
palatals
velars/uvulars/
pharyngeals/ laryngeals
labiovelars
[ ant erior]
+
+
[ cor onal]
+
+
[ lab ial]
+
+
b) Unary feature account (Spencer 1996) using [anterior] as above
labials
dentals/alveolars/ post-alveolars/
palatals
velars/uvulars
pharyngeals/ laryngeals
[ LABIAL ]
[ CORONAL ]
[ DORSAL ]
[ GUTTURAL ]
Gussenhoven & Jacobs (1998) use [ RADICAL ] for pharyngeals; for them, laryngeal
consonants have no ‘place’ feature at all.
5.1. Vowels
A. Up to three degrees of height (after Chomsky & Halle 1968)
i e /æ/a / / / u o / y ø œ
[ hi gh]
+
+
+
+
[ lo w]
+
+
+
+
[ b ac k ]
+
+
+
+
+
+
[ r ou nd ]
+
+
+
+
+
+
For vowels, [ r ou nd ] = [ lab ial]
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Phonology Q1047
Distinctive features handout
3
Further vowel distinctions, using [tense] (after Chomsky & Halle, for English) or [ A dvanced
T ongue R oot]
i  e   a/æ  / o / u 
[tense] + – + –
+ – + – +
– +
i  e    o / u 
[ATR] + – + – + – + – +
B. Four degrees of height (using the feature [mid] but not [low]). NB, in this system [high]
has a different definition from the system in A. Here in system B [+high] includes close and
half-close vowels. In system A [+high] includes only close vowels.
i e  a/æ y ø œ  /  / / u o  
[high] + + – – + + – –
+ +
– +
+
[mid]
– + + – – + + –
– +
+
– –
+
+
[back]
– +
+ +
+
++++
[round] – – – – + + + +
– –
– ++++
5.2. The features [high], [back] and [labial] applied to consonants
p p p t t t t t t t c/k k k q
[ant] + + + + +
+ + – – –
– –
– –
[cor] – – – + +
+ + + + + + –
– –
[lab] + + + – –
– + – – +
– –
+ –
[hi] – + + – +
+ – – + – + +
+ –
[bk] – – + –
+ – – + – – +
+ +
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Phonology Q1047
Distinctive features handout
4
Some basic feature definitions of sound types
Vowel
[+syl, –cons]
Glide (semivowel)
[–syl, –cons, +son]
Laryngeal
[–son, –cons]
Sonorant consonant
[–syl, +son]
Approximant cons.
[–syl, +approx] or [–syl, +son, –nasal]
Liquid
[+cons, +approx] or [+cons, +son, –nasal]
Stop
[–cont, –approx] ( or just [–cont] if laterals are [+cont])
Plosive
[–son, –cont, –del rel]
Affricate
[–son, –cont, +del rel]
Fricative
[–son, +cont]
Aspirated
[+spread]
Glottal(ized)
[+constr]
Places of articulation (binary features)
Front (vowel)
[–back]
Central or back vowel
[+back]
Rounded vowel
[+round] or [+labial]
Labial
[+lab]
Labiodental
[+lab, –distr]
Bilabial
[+lab, +distr]
Dental/alveolar
[+ant, +cor]
Interdental
[+ant, +cor, –dist]
Lamino-dental 1 [+ant, +cor, +distr]
Lamino-alveolar 1 [+ant, +cor, +distr]
Apico-alveolar
[+ant, +cor, −distr]
Postalveolar
[–ant, +cor, –hi]
Palatal
[+cor, +hi]
Velar
[+hi, +bk]
Labiovelar
[+hi, +bk, +lab]
Uvular
[–hi, +bk]
Pharyngeal
[+lo]
1 Note that lamino-dentals and lamino-alveolars have the same feature definition here (after Gussenhoven &
Jacobs 1998). This is one respect in which the DF treatment of coronal consonants is unsatisfactory.
Phonology Q1047
Distinctive features handout
5
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