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TheInternational Phonetic Alphabet (IPA) requires specific names for the symbols and diacritics used in the alphabet.
It is often desirable to distinguish an IPA symbol from the sound it is intended to represent, since there is not a one-to-one correspondence between symbol and sound in broad transcription. The symbol's names and phonetic descriptions are described in theHandbook of the International Phonetic Association. The symbols also have nonce names in theUnicode standard. In some cases, the Unicode names and the IPA names do not agree. For example, IPA callsɛ "epsilon", but Unicode calls it "small letter open E".
The traditional names of the Latin and Greek letters are used for unmodified symbols. In Unicode, some of the symbols of Greek origin have Latin forms for use in IPA[clarification needed]; the others use the symbols from the Greek section.
Examples:
| IPA symbol name | phonetic description | Unicode name | |
|---|---|---|---|
| p | (lowercase) p | voiceless bilabial stop | LATIN SMALL LETTER P |
| x | (lowercase) x | voiceless velar fricative | LATIN SMALL LETTER X |
| r | (lowercase) r | coronal trill | LATIN SMALL LETTER R |
| β | beta | voiced bilabial fricative | GREEK SMALL LETTER BETA |
| ɛ | epsilon | open-mid front unrounded vowel | LATIN SMALL LETTER OPEN E |
| ɣ | gamma | voiced velar fricative | LATIN SMALL LETTER GAMMA |
| θ | theta | voiceless dental fricative | GREEK SMALL LETTER THETA |
| χ | chi | voiceless uvular fricative | GREEK SMALL LETTER CHI |
| ɸ | phi[1] | voiceless bilabial fricative | LATIN SMALL LETTER PHI |
| ʊ | upsilon[2] | near-close near-back rounded vowel | LATIN SMALL LETTER UPSILON |
Note
The IPA standard includes some small capital letters, such asʀ andɢ, although it is common to refer to these symbols as simply "capital" or "cap" letters, because the IPA standard does not include any full-size capital letters.
A few letters have the forms of cursive or script letters. Examples:
| IPA symbol name | phonetic description | Unicode name | |
|---|---|---|---|
| ɑ | single-story a | open back unrounded vowel | LATIN SMALL LETTER ALPHA |
| ɡ | single-story g[1] | voiced velar stop | LATIN SMALL LETTER SCRIPT G |
| ʋ | cursive v[2] | labiodental approximant | LATIN SMALL LETTER V WITH HOOK |
Note
Ligatures are called precisely that, although Unicode often mistakenly calls them "digraphs". Examples:
| IPA symbol name | phonetic description | Unicode name | |
|---|---|---|---|
| æ | lower-case A-E ligature | near-open front unrounded vowel | LATIN SMALL LETTER AE |
| œ | lower-case O-E ligature | open-mid front rounded vowel | LATIN SMALL LIGATURE OE |
| ɮ | L-Ezh ligature | voiced coronal lateral fricative | LATIN SMALL LETTER LEZH |
Note that "œ" can alternatively be calledethel, and similarly "æ" can be calledash.
Many letters areturned, or rotated 180 degrees. Examples:
| IPA symbol name | phonetic description | Unicode name | |
|---|---|---|---|
| ʎ | turned Y | palatal lateral approximant | LATIN SMALL LETTER TURNED Y |
| ɥ | turned H | labial-palatal approximant | LATIN SMALL LETTER TURNED H |
| ɒ | turned script A | open back rounded vowel | LATIN SMALL LETTER TURNED ALPHA |
| ʌ | turned V[1] | open-mid back unrounded vowel | LATIN SMALL TURNED V |
| ɔ | open O[2] | open-mid back rounded vowel | LATIN SMALL LETTER OPEN O |
A few letters arereversed (flipped on a vertical axis):
| IPA symbol name | phonetic description | Unicode name | |
|---|---|---|---|
| ɘ | reversed e | close-mid central unrounded vowel | LATIN SMALL LETTER REVERSED E |
| ɜ | reversed epsilon | open-mid central unrounded vowel | LATIN SMALL LETTER REVERSED OPEN E |
| ʕ | reversed glottal stop[1] | voiced pharyngeal fricative | LATIN LETTER PHARYNGEAL VOICED FRICATIVE |
A couple letters areinverted (flipped on a horizontal axis):ʁinverted small capital R and the obsoleteʖinverted glottal stop. (ʍ could also be called aninverted w, butturned w is more common.)
When a horizontal stroke is added, it is called acrossbar, as inħbarred h,ɵbarred o,ʢreversed barred glottal stop orbarred ayin, andɟbarred dotless j orbarred gelded j (apparently never 'turned f').
One letter instead has aslash through it:øslashed o.
The implosives havehook tops:ɓhook-top b,ɗhook-top d, etc., as doesɦhook-top h.
Such an extension at the bottom of a letter is called atail. It may be specified asleft orright depending on which direction it turns, as inɳright-tail n,ɻright-tail turned r,ɲleft-tail n,ʐtail z (or justretroflex z), etc. Note thatŋ is calledeng orengma,ɱmeng, andꜧheng.
When the tail loops over itself, it's calledcurly:ʝcurly-tail j,ɕcurly-tail c.
There are also a few unique modifications:ɬbelted l,ɞclosed reversed epsilon (there was once also aɷclosed omega),ɰright-leg turned m,ɺturned long-leg r (there was once also along-leg r),ǁdouble pipe, and the obsoleteʗstretched c.
Several non-English letters have traditional names:çccedilla,ðeth (also spellededh),ŋengma oreng,əschwa (also spelledshwa),ǃexclamation mark,ǀpipe.
Other symbols are unique to the IPA, and have developed their own quirky names:ɾfish-hook r,ɤram's horns,ʘbull's eye,ʃesh (apparently never 'stretched s'),ʒezh (sometimes confused withyogh),ɧhook-top heng.
Theʔ is usually called by the sound it represents,glottal stop. This is not normally a problem, because this symbol is seldom used to represent anything else. However, to specify the symbol itself, it is sometimes unofficially called agelded question mark. This latter name is derived from its original form as a dotless question mark in a fashion reminiscent ofgelding.
Diacritics are alternately named after their function. This would mean that the bridge is called thedental sign, the under-stroke is thesyllabicity sign, and the up tack is theraising sign.