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Sulcalization

In phonetics, sulcalization is the pronunciation of a sound, typically a sibilant consonant such as English and , with a deep groove running along the back of the tongue that focuses the airstream on the teeth, producing a more intense sound. This is accomplished by raising the sides of the back of the tongue ("lateral contraction") and leaving a hollow along the mid-line. It is not clear if all sibilants are grooved in this manner; Catford (1977) observed that the degree of sulcalization differs between places of articulation as well as between languages, but no language is known to contrast a grooved and non-grooved sibilant. English , which allows various tongue positions without apparent distinction, may also receive its characteristic quality from being sulcal.

In phonology and historical linguistics, sulcalization is the development of such a groove in a non-sulcal consonant. For example, close vowels trigger this effect in Japanese, where historical *tu and *ti have become and , respectively, as well as in languages such as Senoufo. (The palatalization of *tsi to in Japanese is a different process, and does not occur in Senoufo.)

Vowels may also be sulcalized, which has been described as giving them a "throaty" sound (Jones 1967:82). The vowel of Received Pronunciation, which is normally described as a rounded, is pronounced by some speakers without rounded lips; for these speakers, the characteristic quality is rather one of sulcality (Lass 1984:124). One scholar has also suggested that the vowel in the RP pronunciation of words like bird, typically transcribed , is actually a sulcal schwa, retaining the sulcality of the original rhotic consonant; accordingly, he interprets the realization of in other contexts such as beard and scarce as the product of a loss of sulcality (Erickson 2003:197).

References

  • JC Catford, 1977. Fundamental Problems in Phonetics. Indiana University Press.
  • Daniel Jones, 1967. The phoneme: its nature and use. Heffer.
  • Blaine Erickson, 2003. "On the development of English r", in Minkova & Stockwell, eds, Studies in the History of the English Language: A Millennial Perspective. Walter de Gruyter.
  • Roger Lass, 1984. Phonology: an introduction to basic concepts. CUP.






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