Apalatal nasal click is aclick consonant found primarily among the languages of southern Africa. The symbol in theInternational Phonetic Alphabet for a nasal palatal click with avelar rear articulation is ⟨ŋ͡ǂ⟩ or ⟨ŋ͜ǂ⟩, commonly abbreviated to ⟨ŋǂ⟩, ⟨ᵑǂ⟩ or ⟨ǂ̃⟩. Linguists who prefer theold IPA letters use the analogousBeach convention^[1] of ⟨ŋ͡𝼋⟩ or ⟨ŋ͜𝼋⟩, abbreviated ⟨ŋ𝼋⟩, ⟨ᵑ𝼋⟩ or ⟨𝼋̃⟩. For a click with auvular rear articulation, the equivalents are ⟨ɴ͡ǂ,ɴ͜ǂ,ɴǂ,ᶰǂ⟩ and ⟨ɴ͡𝼋,ɴ͜𝼋,ɴ𝼋,ᶰ𝼋⟩.Sometimes the accompanying letter comes after the click letter, e.g. ⟨ǂŋ⟩ or ⟨ǂᵑ⟩; this may be a simple orthographic choice, or may imply a difference in the relative timing of the releases.^[2]

Features of a palatal nasal click:

• Theairstream mechanism islingual ingressive (also known as velaric ingressive), which means a pocket of air trapped between two closures is rarefied by a "sucking" action of the tongue, rather than being moved by theglottis or thelungs/diaphragm. The release of the forward closure produces the "click" sound. Voiced and nasal clicks have a simultaneouspulmonic egressive airstream.
• Itsplace of articulation ispalatal, which means it is articulated with the middle or back part of thetongue raised to thehard palate.
• Itsphonation is voiced, which means the vocal cords vibrate during the articulation.
• It is anasal consonant, which means air is exclusively allowed to escape through the nose for nasal stops; otherwise, in addition to through the mouth.
• It is acentral consonant, which means it is produced by directing the airstream along the center of the tongue, rather than to the sides.

Palatal nasal clicks are only found in the variousKhoisan languages families of southern Africa and in the neighboringYeyi language.^[3]

AllKhoisan languages, and a few Bantu languages, have glottalized nasal clicks. These are formed by closing theglottis so that the click is pronounced in silence; however, any preceding vowel will be nasalized.

• Nasal consonants
• Click consonants
• Central consonants
• Palatal consonants
• Voiced consonants

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