Cluster reduction
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Historical sound change |
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General |
Metathesis |
Dissimilation |
Fortition |
Lenition (weakening) |
Sonorization (voicing) |
Spirantization (assibilation) |
Rhotacism |
Debuccalization (loss of place) |
Elision (loss) |
Apheresis (initial) |
Syncope (medial) |
Apocope (final) |
Haplology (similar syllables) |
Fusion |
Cluster reduction |
Compensatory lengthening |
Epenthesis (addition) |
Anaptyxis (vowel) |
Excrescence (consonant) |
Prosthesis (initial) |
Paragoge (final) |
Unpacking |
Vowel breaking |
Assimilation |
Coarticulation |
Palatalization (before front vowels) |
Labialization (before rounded vowels) |
Final devoicing (before silence) |
Vowel harmony |
Consonant harmony |
Cheshirisation (trace remains) |
Nasalization |
Tonogenesis |
Floating tone |
Sandhi (boundary change) |
Crasis (contraction) |
Liaison, linking R |
Consonant mutation |
Tone sandhi |
Hiatus |
In phonology and historical linguistics, cluster reduction is the simplification of consonant clusters in certain environments or over time.
In some dialects of English, certain historical consonant clusters reduce to single consonants at the ends of words. Friend, for example, rhymes with Ben, and cold is homonymous with coal. In both cases, historical */nd/ reduces to /n/: /ˈfrɛn/, /ˈkoʊl/ However, in colder, where the consonant cluster falls between vowels, the /d/ remains: /ˈkoʊldɚ/.
A well known language with cluster reduction is Italian, where stop clusters have become gemitate. For example, Victoria has become Vittoria. In other words, while the articulation has been reduced, the length has not.