WordNet

make wrinkled or creased; "furrow ones brow" (同)wrinkle, crease
a long shallow trench in the ground (especially one made by a plow)
cut a furrow into a columns (同)chamfer, chase
hollow out in the form of a furrow or groove; "furrow soil" (同)rut, groove
make a groove in, or provide with a groove; "groove a vinyl record"
a long narrow furrow cut either by a natural process (such as erosion) or by a tool (as e.g. a groove in a phonograph record) (同)channel
(anatomy) any furrow or channel on a bodily structure or part (同)vallecula

PrepTutorEJDIC

(うねの間の)溝 / (車輪の)わだち / (額などの)深いしわ / (すきで)…‘に'うねを立てる / 〈顔・額など〉‘に'しわを寄せる
(石・木・金属などに刻んだ)みぞ / (レコード盤面の)みぞ / 慣例,きまり / …‘に'みぞを掘る(刻む)

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出典(authority):フリー百科事典『ウィキペディア（Wikipedia）』「2013/06/22 09:39:32」(JST)

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In phonetics, sulcalization is the pronunciation of a sound, typically a sibilant consonant such as English /s/ and /z/, 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 [ɹ], 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 [tsu] and [tɕi], respectively, as well as in languages such as Senoufo. (The palatalization of *tsi to [tɕi] 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 /ɒ/ 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 [ɜ], is actually a sulcal schwa, retaining the sulcality of the original rhotic consonant; accordingly, he interprets the realization of /ə/ in other contexts such as beard and scarce as the product of a loss of sulcality (Erickson 2003:197).

References[edit]

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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