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The lateral clicks are click consonants found only in Africa. The clicking sound used by equestrians to urge on their horses is a lateral click, although it isn't a speech sound in that context. Alveolar lateral clicks are found throughout southern Africa and Tanzania; some of the Juu languages also have other lateral clicks.

Alveolar lateral clicks

IPA number	180
Audio sample
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Most lateral clicks are alveolar. These are found in all Khoisan languages as well as in several Bantu languages. The only languages with non-alveolar lateral clicks are in the Juu family (see below).

The symbol in the International Phonetic Alphabet that represents the forward articulation of these sounds is ǁ, a double vertical bar. This must be combined with a symbol for the rear articulation to represent an actual speech sound. Attested alveolar lateral clicks include:

• or voiceless velar–alveolar lateral click (may also be aspirated, ejective, affricated, etc.)
• or voiced velar–alveolar lateral click (may also be breathy voiced, affricated, etc.)
• or nasal velar–alveolar lateral click (may also be voiceless, aspirated, etc.)
• or voiceless uvular–alveolar lateral click
• or voiced uvular–alveolar lateral click (commonly prenasalized)
• or nasal uvular–alveolar lateral click
• glottalized alveolar lateral click

The last is what is heard in the sound sample above, as non-native speakers tend to glottalize clicks to avoid nasalizing them.

Prior to 1989, was the IPA representation of the voiceless velar–alveolar lateral click.

Features

Features of alveolar lateral clicks:

• The manner of articulation is a noisy, affricate-like release in southern Africa, but abrupt in Hadza and Sandawe in East Africa.

The rear closure may be voiced, nasal, ejective, or affricate, and have any of several phonations.

• The forward place of articulation is alveolar, which means it is articulated with the tip of the tongue against the alveolar ridge. The rear place of articulation may be either velar or uvular.
• Lateral clicks may be either oral or nasal, which means air is allowed to escape either through the mouth or the nose.
• They are lateral consonants, which means they are produced by allowing the airstream to flow over the sides of the tongue, rather than the middle of the tongue. Some speakers pronounce them on one side of the mouth, some on both.
• The airstream mechanism is velaric ingressive (AKA lingual ingressive), which means the pocket of air trapped between the two closures is rarefied by a "sucking" action of the tongue, rather than by the glottis or the lungs. The release of the forward closure produces the 'click' sound.

Occurrence

Dental lateral clicks

In addition to alveolar articulations, dental lateral clicks are reported from speakers of an Angolan ǃXũũ dialect now residing in Mangetti Dune, Namibia. These include at least voiceless, voiced, and nasal phonations, and are reflexes of the retroflex clicks of Proto-Juu. They are provisionally written with three pipes, <ǀǀǀ>, rather than the two of the alveolar lateral <ǁ>. They are laminal alveolar or dent-alveolar, , while the clicks transcribed as <ǁ> are apical postalveolar, .

Contrasting lateral clicks in Mangetti Dune ǃXũũ:

Palatal lateral clicks

Another ǃXũũ dialect has a family of palatal lateral clicks. These are reflexes of the retroflex clicks of Proto-Juu. They are provisionally written ǂǂ, as they have no IPA symbol. These clicks are scheduled to be investigated more fully in 2009.

References

• Pullum, Geoffrey K. (1996). Phonetic Symbol Guide. University of Chicago Press. p. 178. {{cite book}}: Unknown parameter |coauthors= ignored (|author= suggested) (help)

See also

• List of phonetics topics

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

• Alveolar consonants