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Voiced labio-velar approximant
w
IPA number170
Encoding
Entity (decimal)w
Unicode (hex)U+0077
X-SAMPAw
Kirshenbaumw
Braille⠺ (braille pattern dots-2456)
Compressed labio-velar approximant
ɰᵝ
wᵝ

The voiced labio-velar approximant is a type of consonantal sound, used in certain spoken languages, including English. It is the sound denoted by the letter ⟨w⟩ in the English alphabet; likewise, the symbol in the International Phonetic Alphabet that represents this sound is ⟨w⟩, and the equivalent X-SAMPA symbol is w. In most languages it is a labialized velar approximant [ɰʷ], and the semivocalic counterpart of the close back rounded vowel [u] - i.e. the non-syllabic close back rounded vowel. In inventory charts of languages with other labialized velar consonants, /w/ will be placed in the same column as those consonants. When consonant charts have only labial and velar columns, /w/ may be placed in the velar column, (bi)labial column, or both. The placement may have more to do with phonological criteria than phonetic ones.

IPA: Co-articulated consonants [edit]
Nasals
n͡m Labial–alveolar
ŋ͡m Labial–velar
Stops
t͡p Labial–alveolar (voiceless)
d͡b Labial–alveolar (voiced)
k͡p Labial–velar (voiceless)
ɡ͡b Labial–velar (voiced)
q͡ʡ Uvular–epiglottal
Fricative
ɧ Sj-sound
Approximants
w Labialized velar
ʍ Labialized velar (voiceless)
ɥ Labialized palatal
ɥ̊ Labialized palatal (voiceless)
Lateral approximant
ɫ Velarized alveolar
Nasal approximants
Palatal
Labialized velar
Glottal (voiceless)
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