Close back unrounded vowel

The close back unrounded vowel, or high back unrounded vowel,[1] is a type of vowel sound used in some spoken languages. The symbol in the International Phonetic Alphabet that represents this sound is ɯ. Typographically, it is a turned letter m.

Close back unrounded vowel
ɯ
IPA number316
Audio sample
Encoding
Entity (decimal)ɯ
Unicode (hex)U+026F
X-SAMPAM
Braille⠲ (braille pattern dots-256) ⠥ (braille pattern dots-136)

The close back unrounded vowel can in many cases be considered the vocalic equivalent of the voiced velar approximant [ɰ].

Features

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  • Its vowel height is close, also known as high, which means the tongue is positioned close to the roof of the mouth without creating a constriction that would be classified as a consonant.
  • Its vowel backness is back, which means the tongue is positioned back in the mouth without creating a constriction that would be classified as a consonant. Unrounded back vowels tend to be centralized, which means that often they are in fact near-back.
  • Its place of articulation is velar, which means it is articulated with the back of the tongue (the dorsum) at the soft palate.
  • It is unrounded, which means that the lips are not rounded.
Spectrogram of [ɯ]

Occurrence

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LanguageWordIPAMeaningNotes
Acehnese[2]eu[ɯ]'see'Also described as closer to [ɨ].[3][4]
Arara[5]îput[ɯput̚]'my skin'Frequent realisation of /ɨ/.[5]
ArbëreshArbëreshë[ɑɾbɯɾeʃ]'Arbëreshë'/ə/ in standard Albanian.
Azerbaijanibahalı / باهالیٛ[bɑhɑˈɫɯ]'expensive'Closer to an [ɘ].[6]
Bashkirҡыҙ / قىُث / qıđ[qɯð]'girl'
ChineseMandarin / [t͡sʰɯ˥˩]'thorn'
Wuhan dialect, Southwestern Mandarin / keu[kʰɯ]'to go'
Some Wu dialects / vu[vɯ]'father'
Xiang / xu[xɯ]'fire'
Chuvashыхра / ıxra[ɯɣra]'garlic'
Crimean Tatarджаным / canım[dʒanɯm]'my dear'
EnglishSome California speakers[7]goose[ɡɯˑs]'goose'Corresponds to [] in other dialects.
New Zealand[8][9]treacle[ˈtɹ̝̊iːkɯ]'treacle'Possible realization of the unstressed vowel /ɯ/, which is variable in rounding and ranges from central to (more often) back and close to close-mid.[8][9] Corresponds to /əl/ in other accents. Develops from dark L; See New Zealand English phonology
Some Philadelphia speakers[10]plus[pɫ̥ɯs]'plus'Used by some speakers; the exact height and backness is variable.[10] It corresponds to [ʌ] in other accents. See English phonology
South African[11]pill[pʰɯ̞ɫ]'pill'Near-close; possible allophone of /ɪ/ before the velarised allophone of /l/.[11] See South African English phonology
Eastern KhantyVakh-Vasyugan[12]пӛӈк[pɯŋk]'hazel grouse'See Eastern Khanty phonology
Estonian[13]kõrv[kɯrv]'ear'Typically transcribed in IPA with ɤ; can be close-mid central [ɘ] or close-mid back [ɤ] instead, depending on the speaker.[13] See Estonian phonology
IrishUlstercaol[kʰɯːl̪ˠ]'narrow'See Irish phonology
Japanese[14]空気 / kūki[kɯːkʲi]'air'May be compressed [ɯᵝ].[15] See Japanese phonology
Katukina[16][babɯˈdʒɯ]'oscar (fish)'
Kazakhқыс / qys / قىس[qɯs]'winter'May be pronounced as qəs
Korean[17]음식 飮食 / eumsik[ɯːmɕ͈ik̚]'food'See Korean phonology
KurdishKurmanji (Northern)ti[tˤɯɾʃ]'sour'See Kurdish phonology. The "i" after "t" always uses this sound if the "t" is "tˤ". However, it can also appear at other places.
Sorani (Central)ترش / tirş
Kyrgyzкыз / قىز / qyz[qɯz]'girl'See Kyrgyz phonology
MinangkabauSome speakersmandudu[mändɯdɯ]'to push ahead'Normally [u] in standard Minangkabau language.
Panará[18][tɯˈsəʰ]'to breathe'
RomanianSome speakerscând[kɯnd]'when'Typically described as ɨ. See Romanian phonology
Scottish Gaeliccaol[kʰɯːl̪ˠ]'thin'See Scottish Gaelic phonology
Sopdüm[dɯm]'tree'See Sop language
Tamilஅழகு / aḻagu[əɻəgɯ]'beauty'Normally [u] elsewhere.
ThaiStandard[19]ขึ้น / khuen/khîn[kʰɯn˥˩]'to go up'
Turkish[20]sığ[sɯː]'shallow'Described variously as close back [ɯ],[20] near-close near-back [ɯ̽][21] and close central [ɨ].[22] See Turkish phonology
Turkmenýaşyl / یاشیٛل[jɑːˈʃɯl]'green'
Uyghurتىلىم / tılım/tilim[tɯlɯm]'my language'In complementary distribution with /ɪ/. See Uyghur phonology
Vietnamesetư[tɯ]'fourth'See Vietnamese phonology

Near-close near-back unrounded vowel

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Near-close near-back unrounded vowel
ɯ̽
Audio sample
Near-close back unrounded vowel
ɯ̞
ɤ̝

Some languages have a near-close near-back unrounded vowel, or near-high near-back unrounded vowel, which is more centralized than a typical [ɯ].

The International Phonetic Alphabet has no dedicated symbol for this sound, but it may be represented as [ɯ̽] (mid-centralized ɯ) or [ɯ̞̈] (lowered and centralized ɯ). It may also be transcribed as [ʊ̜] (less rounded ʊ), but because ʊ is defined by the Handbook of the International Phonetic Association as rounded (whereas ə and ɐ do not specify rounding),[23] the symbol [ʊ̜] can also signify a weakly rounded [ʊ], rather than the fully unrounded vowel that is described in this article. John C. Wells transcribes this vowel with the para-IPA symbol ω in his Accents of English,[24] though Sinological phonetic notation uses this symbol instead for a near-open back rounded vowel [ɒ̝]. John Esling uses to represent this sound in his iPA Phonetics mobile application,[25] though this is more typically used to represent a near-close central unrounded vowel [ɪ̈].

For precision, a near-close back unrounded vowel, or near-high back unrounded vowel, may also be described, and is attested in a few spoken languages. This sound can be represented in the IPA as [ɯ̞] (lowered ɯ) or [ɤ̝] (raised ɤ). However, some phoneticians argue that all lip position inverses of the primary cardinal vowels are centralized (with the exception of ɒ) based on formant acoustics,[26] so that there may be no substantial difference between a near-close near-back unrounded vowel [ɯ̽] and its fully back counterpart [ɯ̞].

Features

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Occurrence

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LanguageWordIPAMeaningNotes
EnglishAfrican-American[27]hook[hɯ̽k]'hook'Possible realization of /ʊ/.[27]
California[7]Often pronounced with spread lips. Corresponds to /ʊ/ in other accents.[7] See English phonology
Tidewater[28]May be rounded [ʊ] instead.[28]
Cardiff[29][ɯ̽k]Also described as close-mid central [ɘ ~ ɵ].[30]
New Zealand[8][9]treacle[ˈtɹ̝̊iːkɯ̞]'treacle'Possible realization of the unstressed vowel /ɯ/, which is variable in rounding and ranges from central to (more often) back and close to close-mid.[8][9] It corresponds to /əl/ in other accents. See New Zealand English phonology
Some Philadelphia speakers[10]plus[pɫ̥ɯ̞s]'plus'Used particularly by male speakers; can be lower [ʌ̝ ~ ʌ] instead.[10] It corresponds to [ʌ] in other accents. See English phonology
South African[11]pill[pʰɯ̽ɫ]'pill'Possible allophone of /ɪ/ before the velarised allophone of /l/.[11] Also described as close-mid [ɤ].[31] See South African English phonology
IrishUlster[32]ag gail ˈɡɯ̽lˠ]'boiling'Allophone of /ɪ/.[32] See Irish phonology
Korean[33]어른/eoreun[ə̝ːɾɯ̞n]'seniors'Typically transcribed in IPA with ɯ. See Korean phonology
PortugueseEuropean[34]pegar[pɯ̽ˈɣäɾ]'to grab'Typically transcribed in IPA with ɨ or ə. Appears only in unstressed syllables.[34] See Portuguese phonology
Scottish GaelicLewis[35]gaol[kɯ̽ːl̪ˠ]'love'Allophone of /ɯ/ when adjacent to velarized sonorants.
TurkishStandard[36]sığ[sɯ̽ː]'shallow'Also described as close back [ɯ] and close central [ɨ].[37] See Turkish phonology
VietnameseHanoi[38]t[t̻ɯ̽˧˨]'word'Common allophone of /ɯ/.[38] See Vietnamese phonology
Yine[39][tɯ̽wɯ̽]'salt'Typically transcribed in IPA with ɯ.[39]

See also

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Notes

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  1. While the International Phonetic Association prefers the terms "close" and "open" for vowel height, many linguists use "high" and "low".
  2. Durie, Mark (1990). "Proto-Chamic and Acehnese Mid Vowels: Towards Proto-Aceh-Chamic" (PDF). Bulletin of the School of Oriental and African Studies, University of London. LII, Part 1: 100–111. doi:10.1017/S0041977X00021297. S2CID 162224060. Archived from the original (PDF) on 14 July 2010.
  3. Asyik, Abdul Gani. "The Agreement System in Acehnese" (PDF). Mon-Khmer Studies. XI: 1–33. Archived from the original (PDF) on 30 July 2009. Retrieved 21 May 2012.
  4. Al-Harbi, Awwad Ahmad Al-Ahmadi (January 2003). "Acehnese Coda Condition: An Optimality-Theoretic Account" (PDF). Umm Al-Qura University Journal of Educational and Social Sciences and Humanities. 15 (1): 9–28.
  5. 1 2 Alves (2013), p. 269.
  6. Ghaffarvand-Mokari & Werner 2016, p. 514.
  7. 1 2 3 Ladefoged (1999), pp. 42–43.
  8. 1 2 3 4 Warren, Paul. NZE Phonology (PDF) (Report). Victoria University of Wellington. p. 3. Archived from the original (PDF) on 24 January 2024.
  9. 1 2 3 4 Bauer & Warren (2004), p. 585.
  10. 1 2 3 4 Gordon (2004), p. 290.
  11. 1 2 3 4 Bowerman (2004), p. 936.
  12. V.N. Solovar; G.L. Nakhracheva; A.A. Shiyanova (2016), Диалекты хантыйского языка., Khanty-Mansiysk{{citation}}: CS1 maint: location missing publisher (link)
  13. 1 2 Asu & Teras (2009), p. 369.
  14. Labrune (2012), p. 25.
  15. Okada (1999), p. 118.
  16. dos Anjos (2012), p. 129.
  17. Lee (1999), p. 122.
  18. Vasconcelos (2013), p. 182.
  19. Tingsabadh & Abramson (1993), p. 24.
  20. 1 2 Göksel & Kerslake (2005:10)
  21. Kılıç & Öğüt (2004)
  22. Zimmer & Orgun (1999:155)
  23. International Phonetic Association (1999), p. 180.
  24. Wells (1982:xvii)
  25. Esling, John H.; Moisik, Scott R.; Coey, Christopher (2015). iPA Phonetics: Multimodal iOS application for phonetics instruction and practice (PDF). 18th International Congress of Phonetic Sciences (ICPhS XVIII). ISSN 2412-0669.
  26. Geoff Lindsey (2013) The vowel space, Speech Talk
  27. 1 2 Wells (1982), p. 557.
  28. 1 2 Wells (1982), p. 536.
  29. Wells (1982), p. 386.
  30. Collins & Mees (1990), pp. 92, 94.
  31. Wells (1982), p. 617.
  32. 1 2 Ní Chasaide (1999), p. 114.
  33. Lee (1999), p. 121.
  34. 1 2 Cruz-Ferreira (1995), p. 91.
  35. Oftedal (1956), p. 81.
  36. Kılıç & Öğüt (2004)
  37. Zimmer & Orgun (1999), p. 155.
  38. 1 2 Kirby (2011), p. 384.
  39. 1 2 Urquía Sebastián & Marlett (2008), p. 366.

References

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