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This article is about the letter of the alphabet. For other uses, see S (disambiguation).
"Ess" redirects here. For ESS, see ESS.
For technical reasons, "S#" redirects here. For the programming language, see Script.NET.
For technical reasons, "ſ" redirects here. For the archaic medial form of the letter 's', see long s.
File:S cursiva.gif
Writing cursive forms of S

S (named ess /ˈɛs/,[1] plural esses[2]) is the 19th letter in the modern English alphabet and the ISO basic Latin alphabet.



Semitic Šîn ("teeth") represented a voiceless postalveolar fricative /ʃ/ (as in 'ship'). Greek did not have this sound, so the Greek Sigma (Σ) came to represent the voiceless alveolar sibilant /s/. In Etruscan and Latin the /s/ value was maintained, and only in modern languages has the letter been used to represent other sounds.

Long s

The minuscule form of 's' was 'ſ', called the long s, up to the fourteenth century or so, and the form 'S' was used then only as uppercase in the same manner that the forms 'G' and 'A' are only uppercase. With the introduction of printing, the modern form 's' began to be used at the end of words by some printers. Later, it was used everywhere in print and eventually spread to manuscript letters as well. For example, "sinfulness" would be rendered as "ſinfulneſſ" in all medieval hands, and later it was "ſinfulneſs" in some blackletter hands and in print. The modern spelling "sinfulness" did not become widespread in print until the beginning of the 19th century, largely to prevent confusion of 'ſ' with the lowercase 'f' in typefaces which had a very short horizontal stroke in their lowercase 'f'. The ligature of 'ſs' (or 'ſz') became the German Eszett, 'ß'.

It is commonly believed that it was the London printer John Bell (1745–1831) who popularized the modern "round s", in place of the elongated 'ſ', although exactly when he did this is unclear. In his multivolume series, The British Theatre, he began using the short form instead of the elongated letter circa 1785, not entirely at first but in later years more and more consistently. His edition of Shakespeare, in 1785, was advertised with the claim that he "ventured to depart from the common mode by rejecting the long 'ſ' in favor of the round one, as being less liable to error....."[3] In the field of more ephemeral publications, Bell began a London newspaper called The World, of which it has been said that a "vital change ... first made in The World, entitled No. 1 of that paper (for Monday, January 1, 1787) to be chronicled in any kalendar of typographical progress: the abolition of the long 'ſ'...."[4] Bell may have popularized it, but he did not invent it; in his letter of March 26, 1786 to Francis Childs, Benjamin Franklin wrote "the Round s .... begins to be the Mode, and in nice printing the Long 'ſ' is rejected entirely."

Use in writing systems

The letter ⟨s⟩ represents the voiceless alveolar or voiceless dental sibilant /s/ in most languages as well as in the International Phonetic Alphabet. It also commonly represents the voiced alveolar or voiced dental sibilant /z/, as in Portuguese 'mesa' or English 'rose' and 'bands', or may represent the voiceless palato-alveolar fricative [ʃ], as in most Portuguese dialects when syllable-finally, in Hungarian, in German (before ⟨p⟩, ⟨t⟩) and some English words as 'sugar', since yod-coalescence became a dominant feature, and [ʒ], as in English 'measure' (also because of yod-coalescence), European Portuguese 'Islão' or, in many sociolects of Brazilian Portuguese, 'esdrúxulo', while in some Andalusian dialects, it is merged with Peninsular Spanish ⟨c⟩ and ⟨z⟩ and pronounced [θ].

⟨sh⟩ is a common digraph in English, where it represents [ʃ] in every instance where the letter combination is a true digraph.

The letter ⟨s⟩ is the seventh most common letter in English and the third-most common consonant (after ⟨t⟩ and ⟨n⟩).[5] It is the most common letter in starting and ending position.[citation needed]

In English and many other languages, primarily Romance ones like Spanish and French, final ⟨s⟩ is the usual mark of plural nouns. It also usually indicates English third person present tense verbs.

Related characters

Ancestors, descendants and siblings

Ligatures and abbreviations

Computing codes

Character S s
Encodings decimal hex decimal hex
Unicode 83 U+0053 115 U+0073
UTF-8 83 53 115 73
Numeric character reference S S s s
ASCII 1 83 53 115 73
1 Also for encodings based on ASCII, including the DOS, Windows, ISO-8859 and Macintosh families of encodings.

Other representations

NATO phonetic Morse code
Sierra ···
ICS Sierra.svg 90px ⠎
Signal flag Flag semaphore Braille


  1. Spelled 'es'- in compound words
  2. "S", Oxford English Dictionary, 2nd edition (1989); Merriam-Webster's Third New International Dictionary of the English Language, Unabridged (1993); "ess," op. cit.
  3. Stanley Morison, A Memoir of John Bell, 1745–1831 (1930, Cambridge Univ. Press) page 105; Daniel Berkeley Updike, Printing Types, Their History, Forms, and Use – a study in survivals (2nd. ed, 1951, Harvard Univ. Press) page 293.
  4. Stanley Morison, A Memoir of John Bell, 1745–1831 (1930, Cambridge Univ. Press) page 118.
  5. English Letter Frequency

External links

  • Media related to S at Wikimedia Commons
  • The dictionary definition of S at Wiktionary
  • The dictionary definition of s at Wiktionary
  • Wikisource-logo.svg "S". The New Student's Reference Work. 1914.