S is the nineteenth letter in the basic modern Latin alphabet. Its name in English () is spelled ess, or usually es- when part of a compound word; the plural is esses.

Usage

S represents the voiceless alveolar fricative in most languages; it also commonly represents the voiced alveolar fricative , as in the Portuguese mesa, the English does, or the German sein. It may also represent the voiceless postalveolar fricative , as in Hungarian and German (before p, t).

Codes for computing

In Unicode, the capital S is U+0053 and the lower case s is U+0073.

The ASCII code for capital S is 83 and for lowercase s is 115; or in binary 01010011 and 01110011, correspondingly.

The EBCDIC code for capital S is 226 and the code for lowercase s is 162.

The numeric character references in HTML and XML are "S" and "s" for upper and lower case respectively.

See also

• С, с - Es (Cyrillic)

• Ц, ц - Tse (Cyrillic)

• Σ, σ - Sigma (Greek)

• — reversed S (used in Zhuang transliteration)

• ſ — long s

• $ — the dollar sign

• ∫, ∫ — the integral sign

• ß — the German Eszett or "sharp s"

• — Esh (used in the International Phonetic Alphabet for the voiceless postalveolar fricative)

• Ѕ, ѕ — Cyrillic letter Dze

• -dd — Is treated with an "S" sound in Gaelic, especially at the end of words

• § the Section Sign