Voiced linguolabial fricative

The voiced linguolabial fricative is a type of consonantal sound used in some spoken languages. The symbol in the International Phonetic Alphabet that represents it is ⟨ð̼⟩ or ⟨β̺⟩.

Voiced linguolabial fricative
ð̼
β̺
Audio sample
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Features

Features:

• 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 linguolabial, which means it is articulated with the tongue against the upper lip.
• Its phonation is voiced, which means the vocal cords vibrate during the articulation.
• It is an oral consonant, which means air is allowed to escape through the mouth only.
• 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

Language	Word	IPA	Meaning	Notes
Tangoa[1]		[ð̼atu]	'stone'
Araki [citation needed]	v̈ev̈e	[ð̼eð̼e]	'screwpine'
Big Nambas[2]		[ið̼a]	'four'