Voiceless bilabially post-trilled dental stop explained

Above:	Voiceless bilabially post-trilled dental stop
Ipa Symbol:	t̪ʙ̥
Xsampa:	tB/

The voiceless bilabially post-trilled dental stop is a very rare consonantal sound reported to occur in a few spoken languages: the Oro Win and Wariʼ languages in South America and Sangtam in Northeast India. The symbol in the International Phonetic Alphabet that represents this sound is (IPA|t̪ʙ̥), and the equivalent X-SAMPA symbol is t_dB\_0.

Features

Features of the voiceless bilabially post-trilled dental stop:

• It has two places of articulation:
  • The stop is dental, which means it is articulated with either the tip or the blade of the tongue at the upper teeth, termed respectively apical and laminal.
  • The trill is bilabial, which means it is articulated with both lips.

Occurrence

Language		Word	IPA	Meaning	Notes
Oro Win
Pirahã
Sangtam^[1]		pronounced as /[t͡ʙ̥ʰʌ]/		'plate'	Contrasts /t͡ʙ̥, t͡ʙ̥ʰ/.
Wari'		pronounced as /[t͡ʙ̥ot͡ʙ̥o]/		'to be pleasant'	Forms a minimal pair with [toto], which means 'to paint'

External links

pronounced as /navigation/

Notes and References

1. Coupe (2015) "Prestopped bilabial trills in Sangtam", Proceedings of the 18th International Congress of Phonetic Sciences, Glasgow, 10 - 14 August 2015