Voiceless epiglottal fricative

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Voiceless epiglottal fricative
IPA number 172
Entity (decimal) ʜ
Unicode (hex) U+029C
Braille ⠔ (braille pattern dots-35) ⠓ (braille pattern dots-125)

The voiceless epiglottal fricative is a type of consonantal sound, used in some spoken languages. The symbol in the International Phonetic Alphabet that represents this sound is ʜ, and the equivalent X-SAMPA symbol is H\.


Features of the voiceless epiglottal fricative:

  • Its manner of articulation is fricative, which means it is produced by constricting air flow through a narrow channel at the place of articulation, causing turbulence.
  • Its place of articulation is epiglottal, which means it is articulated with the aryepiglottic folds against the epiglottis.
  • 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.


Language Word IPA Meaning Notes
Agul[1] [mɛʜ] 'whey'
Dahalo [ʜaːɗo] 'arrow'
Haida ants [ʜʌnts] 'shadow'

See also[edit]