All Topics  
X

 

   Email Print
   Bookmark   Link

 

X


 
 

X is the twenty-fourth letter in the modern Latin alphabetLatin alphabet

The Latin alphabet, also called the Roman alphabet, is the most widely used alphabetic writing system in the world tod...
. Its name in EnglishEnglish language

English is a widely distributed language that originated in England but is now the primary language in numerous countries....
 is spelled ex or occasionally ecks , plural exes.

History

The consonant clusterFacts About Consonant cluster

In linguistics, a consonant cluster is a group of consonants which have no intervening vowel....
  was, in Ancient GreekAncient Greek

Ancient Greek refers to the dialects of the Hellenic language family from about 1100 B.C to 600 A.D., including during the h...
, written as either ChiChi (letter)

Chi is the 22nd letter of the Greek alphabet....
 ? (Western Greek) or Xi ? (Eastern Greek). In the end, Chi was standardized as ( in Modern GreekModern Greek

Modern Greek is a dialect family that refers to the fifth stage of the evolution of the Greek language, and it includes ever...
), while Xi was standardized for . But the Etruscans had taken over ? from older Western Greek; therefore, it stood for in Etruscan and LatinLatin

Latin is an ancient Indo-European language originally spoken in Latium, the region immediately surrounding Rome....
.

It is unknown whether the letters Chi and Xi are Greek inventions, or whether they are ultimately of SemiticSemitic

In linguistics and ethnology, Semitic was first used to refer to a language family of largely Middle Eastern origin, now ca...
 origin. Chi was placed toward the end of the Greek alphabet, after the Semitic letters, along with PhiPhi (letter)

Phi is the 21st letter of the Greek alphabet....
, PsiPsi (letter)

Psi is the 23rd letter of the Greek alphabet and has a numeric value of 700....
, and OmegaOmega

Omega is the 24th and last letter of the Greek alphabet....
, suggesting that it was an innovation; further, there is no letter corresponding specifically to the sound /ks/ in Semitic. There was a Phoenician letter ?eth with a probable sound , somewhat similar to , but this was adopted into Greek as first the consonant /h/, and later, the long vowel EtaFacts About ETA

or ETA is a paramilitary Basque nationalist organization listed as a terrorist organization both by the European Union and...
(?,?), and does not seem to have been the source of Greek Chi. The Phoenician letter Samekh (representing /s/) is usually considered the inspiration for Greek Xi, but as noted, Chi had a graphically distinct shape from Xi — although it may possibly have been another variant originally based on samekh. The original form of samekh may have been an Egyptian hieroglyph for the DjedDjed

The Djed pillar represents stability and has been interpreted as the backbone of the Egyptian god Osiris, especially in the ...
 column, but this too is uncertain, as no intervening Proto-Sinaitic form of this letter is attested.

Usage

In the International Phonetic AlphabetInternational Phonetic Alphabet

The International Phonetic Alphabet is a system of phonetic notation devised by linguists....
, represents a voiceless velar fricativeVoiceless velar fricative

The voiceless velar fricative is a type of consonantal sound used in some spoken languages....
.

In some languages, as a result of assorted phonetic changes and handwriting adaptations, X has other pronunciations:
  • BasqueBasque language Overview

    Basque is the language spoken by the Basque people who inhabit the Pyrenees in North-Central Spain and the adjoining region...
    : as a spelling for .
  • DutchDutch language

    Dutch is a West Germanic language spoken by around 22 million people, mainly in the Netherlands and Belgium . ...
    : The island of Texel is pronounced as Tessel. This is because ss was written with a ligature closely resembling the x.
  • EnglishEnglish language

    English is a widely distributed language that originated in England but is now the primary language in numerous countries....
    : X is a double consonant or, rather, a sign for the compound consonants ; or sometimes when followed by an accented syllable beginning with a vowel, or when followed by silent h and an accented vowel (e.g. exhaust, exam); usually at the beginnings of words (e.g. xylophone), and in some compounds keeps the sound, as in (e.g. meta-xylene). It also makes the sound in words ending in -xion (typically used only in British-based spellingsAmerican and British English spelling differences

    American and British English spelling differences are one aspect of American and British English differences....
     of the language; American spellings tend to use -ction). It can also represent the sounds or , for example, in the words luxury and sexual, respectively. When the letter X begins a word in the English languageFacts About English language

    English is a widely distributed language that originated in England but is now the primary language in numerous countries....
     such as xynene and a z sound is created the X is said to be silent. Final x is always (e.g. ax/axe) except in loan words such as faux (see French, below).
  • FrenchFacts About French language

    French is the third-largest of the Romance languages in terms of number of native speakers, after Spanish and Portuguese, b...
    : at the ends of words, silent (or in liaisonLiaison

    Liaison may be:* Liaison, the pronunciation of a written-word-final consonant due to a following vowel sound...
     if the next word starts with a vowel). This usage arose as a handwriting alteration of final -us. Two exceptions are pronounced [s]: six and dix.
  • In ItalianItalian language

    Italian is a Romance language spoken by about 70 million people, primarily in Italy....
    , X is always , as in the words uxorio, extra, xilofono. It is also used, mainly amongst younger generations as a short form for "per" meaning "for", for example, x sempre (forever).
  • In NorwegianNorwegian language

    Norwegian is a Germanic language spoken in Norway....
    , X is generally pronounced , but since the nineteenth century there has been a tendency to spell it out as ks whenever possible; it may still be retained in names of people, though it is fairly rare, and occurs mostly in foreign words and SMS languageSMS language

    SMS language refers to the English language slang used on mobile phone SMS, though with predictive text input increasingly b...
    .
  • SpanishSpanish language

    Spanish or Castilian is an Iberian Romance language....
    : In Old Spanish, X was pronounced , as it is still currently in other Iberian languagesIberian languages

    Iberian languages are the languages spoken or once spoken in the Iberian peninsula....
    . Later, the sound evolved to a hard sound. In modern Spanish, the hard sound is spelled with a j, or with a g before e and i, though x is still retained for some names (notably México, which alternates with Méjico). Now, X represents the sound (word-initially), or the consonat clusters and (e.g. oxígeno, examen). Even rarer; like in Old Spanish, the x can be pronounced as in modern day in some proper nouns such as Raxel (a variant of RachelRachel

    Rachel "Ewe," also "innocence and gentility of a rose" and may mean "lovely"....
    ) and Xelajú. In American and seseo Spanish, the xc in excelente is pronounced as but in Spain, this combination is pronounced .
  • GalicianGalician language

    Galician is a language of the Western Ibero-Romance branch, spoken in Galicia, an autonomous community with the constitution...
    :In Galician (a language related to Portuguese and spoken in Northwestern Spain), x is pronounced as a vacillating h, phonically similar to j in Spanish.
  • In PortuguesePortuguese language

    Portuguese is an Iberian Romance language, of the Indo-European family....
    , x can have four sounds: the most common is , as in 'xícara' (cup). The other sounds are: as in 'fênix/fénix' (phoenix) and , as in 'próximo' (close/next). The most rare is , as in 'exagerado' (exaggerate).
  • In AlbanianAlbanian language

    Albanian is a language spoken by over 6 million people, primarily in Albania, Serbia including Kosovo, Montenegro, and the ...
    , x represents , while the digraphDigraph

    Digraph has several meanings:*directed graph, or digraph...
     xh represents .
  • PolishPolish language

    Polish is the official language of Poland....
     doesn't use X. In loanwords, X is either replaced by ks like in 'ekstra' (extra), or gz like in 'egzotyczny' (exotic).
  • In the GermanGerman language

    German is a West Germanic language....
     and ItalianItalian language Overview

    Italian is a Romance language spoken by about 70 million people, primarily in Italy....
     languages, X is used mainly in foreign loan words.
  • In MalteseMaltese language

    Maltese is a Semitic language of the Afro-Asiatic language family....
     x is pronounced
  • In VietnameseVietnamese language

    Vietnamese , formerly known under the French colonization as Annamese , is the national and official language of Vietn...
     x is pronounced


Additionally, in languages for which the Latin alphabet has been adapted only recently, x has been used for various sounds, in some cases inspired by European usage, but in others, for consonants uncommon in Europe. For these no Latin letter stands out as an obvious choice, and since most of the various European pronunciations of x can be written by other means, the letter becomes available for more unusual sounds.
  • X has its IPA value in e.g. KurdishKurdish language

    The Kurdish language is an Indo-Iranian language spoken in the region called Kurdistan, including Kurdish populations in par...
    , AzerbaijaniAzerbaijani language

    The Azerbaijani language, also called Azeri, Azari, Azeri Turkish, or Azerbaijani Turkish, is the of...
    , UzbekFacts About Uzbek language

    Uzbek is an Eastern Turkic language and the official language of Uzbekistan....
    , TatarTatar language

    The Tatar language is a Turkic language spoken by the Tatars....
     and LojbanLojban

    Lojban is a constructed language which was created by the Logical Language Group in 1987 based on the earlier Loglan, with ...
    .
  • In PirahãPirahã language

    The Pirah language is a language spoken by the Pirah — an indigenous people of Amazonas, Brazil, who live along the Ma...
    , x symbolizes the glottal stop .
  • In Hanyu Pinyin, the official transcription system for Mandarin Chinese, the letter x represents the voiceless alveolo-palatal fricativeVoiceless alveolo-palatal fricative

    The voiceless alveolo-palatal fricative or laminal postalveolar fricative is a type of consonantal sound, used in some...
     .
  • Nguni languages: represents the alveolar lateral click .
  • An illustrating example of x as a "leftover" letter is differing usage in three different East Cushitic languagesEast Cushitic languages

    The East Cushitic languages comprise more than thirty languages belonging to the Cushitic family within the Afro-Asiatic phy...
    :
    • Afar languageAfar language

      Afar is a Lowland East Cushitic language spoken in Ethiopia, Eritrea and Djibouti....
       - voiced alveolar implosiveVoiced alveolar implosive

      The voiced alveolar implosive is a type of consonantal sound, used in some spoken languages....
       
    • Oromo languageOromo language

      Oromo, also known as Afaan Oromoo or Oromiffa and sometimes in other languages as variant spellings of these nam...
       - alveolar ejectiveAlveolar ejective Overview

      The alveolar ejective is a type of consonantal sound, used in some spoken languages....
       
    • Somali languageSomali language

      The Somali language is a member of the East Cushitic branch of the Afro-Asiatic family....
       - voiceless pharyngeal fricativeVoiceless pharyngeal fricative

      The voiceless pharyngeal fricative is a type of consonantal sound, used in some spoken languages....
       


No words in the Basic EnglishBasic English

Basic English is a constructed language with a small number of words created by Charles Kay Ogden and described in his book ...
 vocabulary begin with X, but it occurs in words beginning with other letters. It is often found in a word with an E before it. X is the third most rarely used letter in the English languageEnglish language

English is a widely distributed language that originated in England but is now the primary language in numerous countries....
.

Codes for computing

In UnicodeUnicode

Unicode is an industry standard designed to allow text and symbols from all of the writing systems of the world to be consis...
 the capital X is codepoint U+0058 and the lower case x is U+0078.

The ASCIIASCII

ASCII , generally pronounced , is a character encoding based on the English alphabet....
 code for capital X is 88 and for lowercase x is 120; or in binaryBinary numeral system

The binary numeral system represents numeric values using two symbols, typically 0 and 1....
 01011000 and 01111000, correspondingly.

The EBCDICEBCDIC

EBCDIC is an 8-bit character encoding used on IBM mainframe operating systems, like z/OS, OS/390, VM and VSE, as well as I...
 code for capital X is 231 and for lowercase x is 167.

The numeric character referenceNumeric character reference

A numeric character reference is a common markup construct used in SGML and other SGML-based markup languages such as HTML a...
s in HTMLHTML

In computing, HyperText Markup Language is a predominant markup language for the creation of web pages....
 and XML are "X" and "x" for upper and lower case respectively.

Other uses for the letter X

Similar non-Latin letters

  • ?, ? : Greek letter ChiChi (letter) Summary

    Chi is the 22nd letter of the Greek alphabet....
  • ?, ? : Cyrillic Kha.
  • ? : MeMe (kana)

    |||}?, in hiragana, or ? in katakana, is one of the Japanese kana, which each represent one mora....
  • ??

    , or , is a letter derived from the Latin alphabet....
     sometimes looks like X when handwritten.
  • ? : A ChineseChinese language

    Chinese is a language that forms part of the Sino-Tibetan family of languages....
     character, pronounced "Yì" in Mandarin Chinese. Means "govern, settle, stable" (??;??).
  • In pre-NormanNormans

    The Normans were a people who colonized Normandy, conquered England, and played a major political, military and cultural ro...
     BritainBritain in the Middle Ages

    "Medieval Britain" is a term used to suggest that there is a unity to the history of Great Britain from the 5th century with...
     a "?" was a letter in the Anglo-Saxon futhorcAnglo-Saxon Futhorc

    The Anglo-Saxon Futhorc is a runic alphabet, extended from the Elder Futhark from 24 to between 26 and 33 characters....
     runic alpabet and also indicated a giftGift

    A gift or present is the transfer of money, goods, etc., without the direct compensation that is involved in trade, al...
    .

Non-letter symbols in UnicodeUnicode

Unicode is an industry standard designed to allow text and symbols from all of the writing systems of the world to be consis...

  • × : multiplicationMultiplication

    In mathematics, multiplication is an elementary arithmetic operation....
     sign
  • ? : box drawingsBox drawing characters

    Box drawing characters, also known as line drawing characters, or pseudographics, are widely used in text user i...
     left diagonal cross
  • : multiplication x
  • : ballot x
  • : heavy ballot x
  • ×× Summary

    The symbol ', pronounced times or multiplication sign, is primarily used in mathematics, to denote the...
     : vector or cross product
  • In the Japanese resale price maintenanceResale price maintenance Summary

    Resale price maintenance is the practice whereby a manufacturer and its distributors agree that the latter will sell the for...
     system for music and print publications, saihan seido, the typographic symbolJapanese typographic symbols

    This page lists Japanese typographic symbols which are not included in kana or kanji....
      marks the first date for the fixed price and marks the last date.

See also

  • ExEX

    EX may stand for:*Example*Exercise...
  • X markX mark

    An x mark is a mark used to indicate the concept of negation as well as affirmation ....
  • XXXXXXXX

    ...
  • XXXXXX

    XXX may refer to:* xXx , a 2002 action film starring Vin Diesel...
  • XXXX Summary

    XX may refer to:* XX, an album from the band Mushroomhead...
  • RxRX

    RX was the common telegraph abbreviation for "receive", later used in CW....
  • TxTX

    TX can be:*The telegraphy and CW abbreviation for transmit, also TX Rate for a wireless router...
  • x marks the spotX Marks the Spot

    X Marks the Spot is a quiz and panel game that has been broadcast on BBC Radio 4 since 1998 which could be likened to be...