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Voiceless postalveolar affricate
tʃ
ʧ
IPA number	103 134
Audio sample
source · help
Encoding
Entity (decimal)	t​͡​ʃ
Unicode (hex)	U+0074 U+0361 U+0283
X-SAMPA	tS or t_rS
Image

The voiceless palato-alveolar sibilant affricate or voiceless domed postalveolar sibilant affricate is a type of consonantal sound used in some spoken languages. The sound is transcribed in the International Phonetic Alphabet with ⟨t͡ʃ ⟩, ⟨t͜ʃ ⟩ ⟨tʃ ⟩ (formerly the ligature ⟨ʧ ⟩), or, in broad transcription, ⟨c⟩. This affricate has a dedicated symbol U+02A7 ʧ LATIN SMALL LETTER TESH DIGRAPH, which has been retired by the International Phonetic Association but is still used. The alternative commonly used in American tradition is ⟨č⟩. It is familiar to English speakers as the "ch" sound in "chip".

Historically, this sound often derives from a former voiceless velar stop /k/ (as in English church; also in Gulf Arabic, Slavic languages, Indo-Iranian languages and Romance languages), or a voiceless dental stop /t/ by way of palatalization, especially next to a front vowel (as in English nature; also in Amharic, Portuguese, some accents of Egyptian, etc.).

Features

Features of the voiceless domed postalveolar affricate:

• Its manner of articulation is sibilant affricate, which means it is produced by first stopping the air flow entirely, then directing it with the tongue to the sharp edge of the teeth, causing high-frequency turbulence.
• Its place of articulation is postalveolar, which means it is articulated with the tip or blade of the tongue behind the alveolar ridge.
• Its phonation is voiceless, which means it is produced without vibrations of the vocal cords. In some languages the vocal cords are actively separated, so it is always voiceless; in others the cords are lax, so that it may take on the voicing of adjacent sounds.
• It is an oral consonant, which means air is allowed to escape through the mouth only.
• It is a central consonant, which means it is produced by directing the airstream along the center of the tongue, rather than to the sides.
• Its airstream mechanism is pulmonic, which means it is articulated by pushing air solely with the intercostal muscles and abdominal muscles, as in most sounds.

Occurrence

Mandarin Chinese, Russian, Japanese, Korean, Mongolian, Polish, Catalan, and Thai have a voiceless alveolo-palatal affricate /t͡ɕ/; this is technically postalveolar but it is less precise to use /t͡ʃ/.

Related characters

There are several Unicode characters based on the tesh digraph (ʧ):

• U+107AE 𐞮 MODIFIER LETTER SMALL TESH DIGRAPH is an IPA superscript letter
• U+1DF17 𝼗 LATIN SMALL LETTER TESH DIGRAPH WITH PALATAL HOOK is used in phonetic transcription
• U+1DF1C 𝼜 LATIN SMALL LETTER TESH DIGRAPH WITH RETROFLEX HOOK has been used in phonetic descriptions of Polish

Voiceless postalveolar non-sibilant affricate

Features

• Its manner of articulation is affricate, which means it is produced by first stopping the airflow entirely, then allowing air flow through a constricted channel at the place of articulation, causing turbulence.
• Its place of articulation is postalveolar, which means it is articulated with either the tip or the blade of the tongue behind the alveolar ridge.
• Its phonation is voiceless, which means it is produced without vibrations of the vocal cords. In some languages the vocal cords are actively separated, so it is always voiceless; in others the cords are lax, so that it may take on the voicing of adjacent sounds.
• It is an oral consonant, which means air is allowed to escape through the mouth only.
• It is a central consonant, which means it is produced by directing the airstream along the center of the tongue, rather than to the sides.
• Its airstream mechanism is pulmonic, which means it is articulated by pushing air solely with the intercostal muscles and abdominal muscles, as in most sounds.

Occurrence

Notes

1. Watson (2002:17)
2. Dum-Tragut (2009:13)
3. "Tjongejonge". 2 April 2019.
4. Shosted & Chikovani (2006:255)
5. ^ Mangold (2005:51–52)
6. Rogers & d'Arcangeli (2004:117)
7. Jerzy Treder. "Fonetyka i fonologia". Archived from the original on 2016-03-04. Retrieved 2015-11-16.
8. Ladefoged (2005:158)
9. ^ Dubisz, Karaś & Kolis (1995:62)
10. Barbosa & Albano (2004:228)
11. Blevins (1994:492)
12. ^ Dąbrowska (2004:?)
13. Martínez-Celdrán, Fernández-Planas & Carrera-Sabaté (2003:255)
14. Danyenko & Vakulenko (1995), p. 4.
15. Merrill (2008:108)
16. Miller, Kirk; Ashby, Michael (2020-11-08). "L2/20-252R: Unicode request for IPA modifier-letters (a), pulmonic" (PDF).
17. Miller, Kirk (2020-07-11). "L2/20-125R: Unicode request for expected IPA retroflex letters and similar letters with hooks" (PDF).
18. Anderson, Deborah (2020-12-07). "L2/21-021: Reference doc numbers for L2/20-266R "Consolidated code chart of proposed phonetic characters" and IPA etc. code point and name changes" (PDF).
19. Miller, Kirk; Everson, Michael (2021-01-03). "L2/21-004: Unicode request for dezh with retroflex hook" (PDF).
20. ^ Cox & Fletcher (2017), p. 144.
21. ^ Cruttenden (2014), pp. 177, 186–188, 192.
22. ^ Wells (2008).

References

• Barbosa, Plínio A.; Albano, Eleonora C. (2004). "Brazilian Portuguese". Journal of the International Phonetic Association. 34 (2): 227–232. doi:10.1017/S0025100304001756.
• Blevins, Juliette (1994). "The Bimoraic Foot in Rotuman Phonology and Morphology". Oceanic Linguistics. 33 (2): 491–516. doi:10.2307/3623138. JSTOR 3623138.
• Cox, Felicity; Fletcher, Janet (2017) . Australian English Pronunciation and Transcription (2nd ed.). Cambridge University Press. ISBN 978-1-316-63926-9.
• Cruttenden, Alan (2014). Gimson's Pronunciation of English (8th ed.). Routledge. ISBN 9781444183092.
• Dąbrowska, Anna (2004). Język polski. Wrocław: wydawnictwo Dolnośląskie. ISBN 83-7384-063-X.
• Dubisz, Stanisław; Karaś, Halina; Kolis, Nijola (1995). Dialekty i gwary polskie. Warsaw: Wiedza Powszechna. ISBN 83-2140989-X.
• Danyenko, Andrii; Vakulenko, Serhii (1995). Ukrainian. Lincom Europa. ISBN 9783929075083.
• Dum-Tragut, Jasmine (2009). Armenian: Modern Eastern Armenian. Amsterdam: John Benjamins Publishing Company. ISBN 9789027238146.
• Ladefoged, Peter (2005). Vowels and Consonants (Second ed.). Blackwell.
• Mangold, Max (2005) . Das Aussprachewörterbuch (6th ed.). Mannheim: Dudenverlag. ISBN 978-3-411-04066-7.
• Martínez-Celdrán, Eugenio; Fernández-Planas, Ana Ma.; Carrera-Sabaté, Josefina (2003). "Castilian Spanish". Journal of the International Phonetic Association. 33 (2): 255–259. doi:10.1017/S0025100303001373.
• Merrill, Elizabeth (2008). "Tilquiapan Zapotec" (PDF). Journal of the International Phonetic Association. 38 (1): 107–114. doi:10.1017/S0025100308003344.
• Rogers, Derek; d'Arcangeli, Luciana (2004). "Italian". Journal of the International Phonetic Association. 34 (1): 117–121. doi:10.1017/S0025100304001628.
• Shosted, Ryan K.; Chikovani, Vakhtang (2006). "Standard Georgian" (PDF). Journal of the International Phonetic Association. 36 (2): 255–264. doi:10.1017/S0025100306002659.
• Watson, Janet (2002). The Phonology and Morphology of Arabic. New York: Oxford University Press.
• Wells, John C. (2008). Longman Pronunciation Dictionary (3rd ed.). Longman. ISBN 9781405881180.

External links

• List of languages with [t̠ʃ] on PHOIBLE

v t e International Phonetic Alphabet (chart)
IPA topics IPA International Phonetic Association History of the alphabet Extensions for disordered speech (extIPA) Voice Quality Symbols (VoQS) Journal of the IPA (JIPA) Special topics Cursive forms Case variants Obsolete and nonstandard symbols Naming conventions Sinological extensions World Orthography IPA chart for English dialects Encodings ASCII encodings SAMPA X-SAMPA Kirshenbaum TIPA Phonetic symbols in Unicode IPA number IPA Braille
Consonants Pulmonic consonants Place → Labial Coronal Dorsal Laryngeal Manner ↓ Bi­labial Labio­dental Linguo­labial Dental Alveolar Post­alveolar Retro­flex Palatal Velar Uvular Pharyn­geal/epi­glottal Glottal Nasal m̥ m ɱ̊ ɱ n̼ n̥ n ɳ̊ ɳ ɲ̊ ɲ ŋ̊ ŋ ɴ̥ ɴ Plosive p b p̪ b̪ t̼ d̼ t d ʈ ɖ c ɟ k ɡ q ɢ ʡ ʔ Sibilant affricate ts dz t̠ʃ d̠ʒ tʂ dʐ tɕ dʑ Non-sibilant affricate pɸ bβ p̪f b̪v t̪θ d̪ð tɹ̝̊ dɹ̝ t̠ɹ̠̊˔ d̠ɹ̠˔ cç ɟʝ kx ɡɣ qχ ɢʁ ʡʜ ʡʢ ʔh Sibilant fricative s z ʃ ʒ ʂ ʐ ɕ ʑ Non-sibilant fricative ɸ β f v θ̼ ð̼ θ ð θ̠ ð̠ ɹ̠̊˔ ɹ̠˔ ɻ̊˔ ɻ˔ ç ʝ x ɣ χ ʁ ħ ʕ h ɦ Approximant ʋ ɹ ɻ j ɰ ʔ̞ Tap/flap ⱱ̟ ⱱ ɾ̼ ɾ̥ ɾ ɽ̊ ɽ ɢ̆ ʡ̆ Trill ʙ̥ ʙ r̥ r ɽ̊r̥ ɽr ʀ̥ ʀ ʜ ʢ Lateral affricate tɬ dɮ tꞎ d𝼅 c𝼆 ɟʎ̝ k𝼄 ɡʟ̝ Lateral fricative ɬ ɮ ꞎ 𝼅 𝼆 ʎ̝ 𝼄 ʟ̝ Lateral approximant l ɭ ʎ ʟ ʟ̠ Lateral tap/flap ɺ̥ ɺ 𝼈̥ 𝼈 ʎ̆ ʟ̆ IPA help  audio full chart template Symbols to the right in a cell are voiced, to the left are voiceless. Shaded areas denote articulations judged impossible. Non-pulmonic consonants BL LD D A PA RF P V U EG Ejective Stop pʼ tʼ ʈʼ cʼ kʼ qʼ ʡʼ Affricate p̪fʼ t̪θʼ tsʼ t̠ʃʼ tʂʼ tɕʼ kxʼ qχʼ Fricative ɸʼ fʼ θʼ sʼ ʃʼ ʂʼ ɕʼ xʼ χʼ Lateral affricate tɬʼ c𝼆ʼ k𝼄ʼ q𝼄ʼ Lateral fricative ɬʼ Click (top: velar; bottom: uvular) Tenuis kʘ qʘ kǀ qǀ kǃ qǃ k𝼊 q𝼊 kǂ qǂ Voiced ɡʘ ɢʘ ɡǀ ɢǀ ɡǃ ɢǃ ɡ𝼊 ɢ𝼊 ɡǂ ɢǂ Nasal ŋʘ ɴʘ ŋǀ ɴǀ ŋǃ ɴǃ ŋ𝼊 ɴ𝼊 ŋǂ ɴǂ ʞ   Tenuis lateral kǁ qǁ Voiced lateral ɡǁ ɢǁ Nasal lateral ŋǁ ɴǁ Implosive Voiced ɓ ɗ ᶑ ʄ ɠ ʛ Voiceless ɓ̥ ɗ̥ ᶑ̊ ʄ̊ ɠ̊ ʛ̥ IPA help  audio full chart template Co-articulated consonants Nasal n͡m Labial–alveolar ɳ͡m Labial–retroflex ŋ͡m Labial–velar Plosive t͡pd͡b Labial–alveolar ʈ͡pɖ͡b Labial–retroflex k͡pɡ͡b Labial–velar q͡ʡ Uvular–epiglottal q͡p Labial–uvular Fricative/approximant ɥ̊ɥ Labial–palatal ʍw Labial–velar ɧ Sj-sound (variable) Lateral approximant ɫ Velarized alveolar Implosive ɠ̊͜ɓ̥ ɠ͡ɓ Labial–velar Ejective t͡pʼ Labial–alveolar IPA help full chart template Other Nasal labial–velar approximant Nasal palatal approximant Voiceless bidental fricative Voiceless bilabially post-trilled dental stop Voiceless nasal glottal approximant Voiceless upper-pharyngeal plosive Voiced upper-pharyngeal plosive Bilabial percussive Bidental percussive Sublaminal lower-alveolar percussive
Vowels Front Central Back Close i y ɨ ʉ ɯ u Near-close ɪ ʏ ʊ Close-mid e ø ɘ ɵ ɤ o Mid e̞ ø̞ ə ɤ̞ o̞ Open-mid ɛ œ ɜ ɞ ʌ ɔ Near-open æ ɐ Open a ɶ ä ɑ ɒ IPA help  audio full chart template Legend: unrounded • rounded

• Affricates
• Postalveolar consonants
• Pulmonic consonants
• Voiceless oral consonants
• Central consonants