The voiced postalveolar or palato-alveolar fricative is a type of
consonant
In articulatory phonetics, a consonant is a speech sound that is articulated with complete or partial closure of the vocal tract, except for the h sound, which is pronounced without any stricture in the vocal tract. Examples are and pronou ...
al sound used in some
spoken language
Language is a structured system of communication that consists of grammar and vocabulary. It is the primary means by which humans convey meaning, both in spoken and signed language, signed forms, and may also be conveyed through writing syste ...
s. The
International Phonetic Association uses the term ''voiced postalveolar fricative'' only for the sound
, but it also describes the
voiced postalveolar non-sibilant fricative , for which there are significant perceptual differences, as one is a
sibilant
Sibilants (from 'hissing') are fricative and affricate consonants of higher amplitude and pitch, made by directing a stream of air with the tongue towards the teeth. Examples of sibilants are the consonants at the beginning of the English w ...
and one is not.
Voiced palato-alveolar fricative
The voiced palato-alveolar fricative or voiced domed postalveolar fricative is a type of
consonant
In articulatory phonetics, a consonant is a speech sound that is articulated with complete or partial closure of the vocal tract, except for the h sound, which is pronounced without any stricture in the vocal tract. Examples are and pronou ...
al sound, used in some
spoken language
Language is a structured system of communication that consists of grammar and vocabulary. It is the primary means by which humans convey meaning, both in spoken and signed language, signed forms, and may also be conveyed through writing syste ...
s.
Transcription
The symbol in the
International Phonetic Alphabet
The International Phonetic Alphabet (IPA) is an alphabetic system of phonetic notation based primarily on the Latin script. It was devised by the International Phonetic Association in the late 19th century as a standard written representation ...
that represents this sound is the lower case form of the letter
Ezh (), and the equivalent
X-SAMPA symbol is
Z
. An alternative symbol used in some older and American linguistic literature is , a ''z'' with a
caron
A caron or háček ( ), is a diacritic mark () placed over certain letters in the orthography of some languages, to indicate a change of the related letter's pronunciation.
Typographers tend to use the term ''caron'', while linguists prefer ...
. In some
transcriptions of alphabets such as the
Cyrillic
The Cyrillic script ( ) is a writing system used for various languages across Eurasia. It is the designated national script in various Slavic, Turkic, Mongolic, Uralic, Caucasian and Iranic-speaking countries in Southeastern Europe, Ea ...
, the sound is represented by the digraph .

Although present in English, the sound is not represented by a specific letter or digraph, but is formed by
yod-coalescence of and in words such as measure. It also appears in some loanwords, mainly from French (thus written with and ).
It occurs as a borrowed phoneme in a number of languages under the influence of French, Persian or Slavic languages, as in the Germanic languages (Dutch, English, German and
Luxembourgish
Luxembourgish ( ; also ''Luxemburgish'', ''Luxembourgian'', ''Letzebu(e)rgesch''; ) is a West Germanic language that is spoken mainly in Luxembourg. About 400,000 people speak Luxembourgish worldwide.
The language is standardized and officiall ...
), the Romance languages (Italian, and Romanian), the Turkic languages (Azerbaijani,
Bashkir, Turkish, and
Uyghur), and the Uralic languages
(Estonian and Hungarian),
Breton and
Maltese.
The phoneme has the lowest consonant frequency in both English and Persian.
The sound occurs in many languages and, as in
English and
French, may have simultaneous
lip rounding (), although this is rarely indicated in transcription.
Features
Features of the voiced palato-alveolar fricative:
Occurrence
The sound in
Russian denoted by is commonly transcribed as a palato-alveolar fricative but is actually a
laminal retroflex fricative.
Voiced postalveolar non-sibilant fricative
The voiced postalveolar non-sibilant fricative is a consonantal sound. As the
International Phonetic Alphabet
The International Phonetic Alphabet (IPA) is an alphabetic system of phonetic notation based primarily on the Latin script. It was devised by the International Phonetic Association in the late 19th century as a standard written representation ...
does not have separate symbols for the post-alveolar consonants (the same symbol is used for all
coronal places of articulation that are not
palatalized), this sound is usually transcribed (
retracted constricted ). The equivalent
X-SAMPA symbol is
r\_-_r
.
Features
However, it does not have the grooved tongue and directed airflow, or the high frequencies, of a sibilant.
* Its
place of articulation
In articulatory phonetics, the place of articulation (also point of articulation) of a consonant is an approximate location along the vocal tract where its production occurs. It is a point where a constriction is made between an active and a pa ...
is
postalveolar
Postalveolar (post-alveolar) consonants are consonants articulated with the tongue near or touching the ''back'' of the alveolar ridge. Articulation is farther back in the mouth than the alveolar consonants, which are at the ridge itself, but n ...
, which means it is articulated with either the tip or the blade of the tongue behind the alveolar ridge.
Occurrence
See also
*
Ezh
*
Voiceless postalveolar fricative
A voiceless postalveolar fricative is a type of consonantal sound used in some Speech, spoken languages. The International Phonetic Association uses the term ''voiceless postalveolar fricative'' only for the sound #Voiceless palato-alveolar frica ...
*
Index of phonetics articles
A
* Acoustic phonetics
* Active articulator
* Affricate
* Airstream mechanism
* Alexander John Ellis
* Alexander Melville Bell
* Alfred C. Gimson
* Allophone
* Alveolar approximant ()
* Alveolar click ()
* Alveolar consonant
* Alveolar ej ...
Notes
References
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External links
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{{IPA navigation
Postalveolar consonants
Fricative consonants
Pulmonic consonants
Voiced oral consonants
Central consonants
Labial–coronal consonants