S̩ (

minuscule Letter case is the distinction between the letters that are in larger uppercase or capitals (more formally ''majuscule'') and smaller lowercase (more formally '' minuscule'') in the written representation of certain languages. The writing system ...

: s̩) is a letter of the

Latin alphabet The Latin alphabet, also known as the Roman alphabet, is the collection of letters originally used by the Ancient Rome, ancient Romans to write the Latin language. Largely unaltered except several letters splitting—i.e. from , and from � ...

, formed from S with the addition of a vertical line below it. It is used in Yoruba when written in Nigeria to represent the sound (like English "sh"). The line is sometimes replaced by a dot, i.e. Ṣ ṣ. is also 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 ...

symbol for a syllabic "s" sound.

Computer encoding

Unicode Unicode or ''The Unicode Standard'' or TUS is a character encoding standard maintained by the Unicode Consortium designed to support the use of text in all of the world's writing systems that can be digitized. Version 16.0 defines 154,998 Char ...

does not include

precomposed character A precomposed character (alternatively composite character or decomposable character) is a Unicode entity that can also be defined as a sequence of one or more other characters. A precomposed character may typically represent a letter with a diac ...

s for S̩ s̩ — they should be represented with a

combining character In digital typography, combining characters are Character (computing), characters that are intended to modify other characters. The most common combining characters in the Latin script are the combining diacritic, diacritical marks (including c ...

, which may not align properly or may display as squares in some

fonts In movable type, metal typesetting, a font is a particular #Characteristics, size, weight and style of a ''typeface'', defined as the set of fonts that share an overall design. For instance, the typeface Bauer Bodoni (shown in the figure) inclu ...

. Nevertheless, the sequence of base character + combining diacritic is given a unique name. In Unicode: * S̩: + * s̩: +

References

{{DEFAULTSORT:S Latin letters with diacritics