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Sha (Cyrillic)

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Cyrillic letter Sha
The Cyrillic script
Slavic letters
АА́А̀А̂А̄ӒБВ
ГҐДЂЃЕЕ́Ѐ
Е̄Е̂ЁЄЖЗЗ́Ѕ
ИІЇИ́ЍИ̂Ӣ
ЙЈКЛЉМНЊ
ОО́О̀О̂ŌӦПР
СС́ТЋЌУУ́У̀
У̂ӮЎӰФХЦЧ
ЏШЩЪЪ̀ЫЫ́
ЬѢЭЭ́ЮЮ́Ю̀Я
Я́Я̀
Non-Slavic letters
ӐА̊А̃Ӓ̄ӔӘӘ́Ә̃
ӚВ̌ԜГ̑Г̇Г̣Г̌Г̂
Г̆Г̈г̊ҔҒӺҒ̌
ғ̊ӶД́Д̌Д̈Д̣Д̆
ӖЕ̃Ё̄Є̈ԐԐ̈ҖӜ
ӁЖ̣ҘӞЗ̌З̣З̆Ӡ
И̃ӤҊҚӃҠҞҜ
К̣к̊қ̊ԚЛ́ӅԮ
ԒЛ̈ӍН́ӉҢԨ
ӇҤО̆О̃Ӧ̄ӨӨ̄Ө́
Ө̆ӪԤП̈ҎР̌С̌Ҫ
С̣С̱Т́Т̈Т̌Т̇Т̣Ҭ
У̃ӲУ̊Ӱ̄ҰҮҮ́
Х̣Х̱Х̮Х̑Х̌ҲӼх̊
Ӿӿ̊ҺҺ̈ԦЦ̌Ц̈Ҵ
ҶҶ̣ӴӋҸЧ̇Ч̣
ҼҾШ̣Ы̆Ы̄Ӹ
ҌҨЭ̆Э̄Э̇ӬӬ́Ӭ̄
Ю̆Ю̈Ю̄Я̆Я̄Я̈Ӏʼ
ˮ
Archaic or unused letters
А̨Б̀Б̣Б̱В̀Г̀Г̧
Г̄Г̓Г̆Ҕ̀Ҕ̆ԀД̓
Д̀Д̨ԂЕ̇Е̨
Ж̀Ж̑Џ̆
Ꚅ̆З̀З̑ԄԆ
ԪІ̂І̣І̨
Ј̵Ј̃К̓К̀К̆Ӄ̆
К̑К̇К̈К̄ԞК̂
Л̀ԠԈЛ̑Л̇Ԕ
М̀М̃Н̀Н̄Н̧
Н̃ԊԢН̡Ѻ
П̓П̀
П́ҦП̧П̑ҀԚ̆Р́
Р̀Р̃ԖС̀С̈ԌҪ̓
Т̓Т̀ԎТ̑Т̧
Ꚍ̆ѸУ̇
У̨ꙋ́Ф̑Ф̓Х́Х̀Х̆Х̇
Х̧Х̾Х̓һ̱ѠѼ
ѾЦ̀Ц́Ц̓Ꚏ̆
Ч́Ч̀Ч̆Ч̑Ч̓
ԬꚆ̆Ҽ̆Ш̀
Ш̆Ш̑Щ̆Ꚗ̆Ъ̄Ъ̈
Ъ̈̄Ы̂Ы̃Ѣ́Ѣ̈Ѣ̆
Э̨Э̂Ю̂
Я̈Я̂Я̨ԘѤѦѪ
ѨѬѮѰѲѴ
Ѷ

Sha (Ш ш; italics: Ш ш) is a letter of the Glagolitic and Cyrillic script. It commonly represents the voiceless postalveolar fricative /ʃ/, like the pronunciation of ⟨sh⟩ in "sheep" or the somewhat similar voiceless retroflex fricative /ʂ/ in Russian. More precisely, the sound in Russian denoted by ⟨ш⟩ is commonly transcribed as a palatoalveolar fricative but is actually a voiceless retroflex fricative. It is used in every variation of the Cyrillic alphabet for Slavic and non-Slavic languages. [citation needed]

In English, Sha is romanized as ⟨sh⟩ or as ⟨š⟩, the latter being the equivalent letter in the Latin alphabets of Czech, Slovak, Slovene, Serbian, Croatian, Latvian and Lithuanian.

History

Sha has its earliest origins in Phoenician Shin and is linked closely to Shin's Greek equivalent: Sigma (Σ, σ, ς). (Note the similar form of the modern Hebrew Shin (ש), which is probably the origin of this letter, deriving from the same Proto-Canaanite source). Sha already possessed its current form in Saints Cyril and Methodius's Glagolitic alphabet. Most Cyrillic letter-forms were derived from the Greek, but as there was no Greek sign for the Sha sound (modern Greek uses simply "Σ/σ/ς" to spell the sh-sound in foreign words and names), Glagolitic Sha was adopted unchanged. There is a possibility that Sha was taken from the Coptic alphabet, which is the same as the Greek alphabet but with a few letters added at the end, including one called "shai" which somewhat resembles both sha and shcha (Щ, щ) in appearance.

Use in mathematics

Ш has the distinction of being the only[citation needed] Cyrillic letter internationally used in mathematics:

In algebraic geometry, the Tate–Shafarevich group of an Abelian variety A over a field K is denoted Ш(A/K), a notation first suggested by J. W. S. Cassels. (Previously it had been denoted TS.)

In a different mathematical context, some authors allude to the shape of the letter Sha when they use the term Shah function for what is otherwise called a Dirac comb.

The shuffle product is often denoted by ш.

Computing codes

Character information
Preview Ш ш
Unicode name CYRILLIC CAPITAL LETTER SHA CYRILLIC SMALL LETTER SHA
Encodings decimal hex dec hex
Unicode 1064 U+0428 1096 U+0448
UTF-8 208 168 D0 A8 209 136 D1 88
Numeric character reference Ш Ш ш ш
Named character reference Ш ш
KOI8-R and KOI8-U 251 FB 219 DB
Code page 855 246 F6 245 F5
Code page 866 152 98 232 E8
Windows-1251 216 D8 248 F8
ISO-8859-5 200 C8 232 E8
Macintosh Cyrillic 152 98 248 F8
  • The dictionary definition of Ш at Wiktionary
  • The dictionary definition of ш at Wiktionary