List of acronyms: X

• XAF – (s) BEAC (''Banque des états de l'Afrique centrale) Central Africa CFA (Coopération financière en Afrique centrale'') franc (ISO 4217 currency code) • XAG – (s) Silver Troy ounce (ISO 4217 currency code) • XAU – (s) Gold Troy ounce (ISO 4217 currency code) == XB ==

• XBA – (s) European Composite Unit (EURCO; Bonds market unit) (ISO 4217 currency code) • XBB – (s) European Monetary Unit (E.M.U.; Bonds market unit) (ISO 4217 currency code) • XBML – (p) eXtended Business Modelling Language == XC ==

• XC – (s) Ninety (in Roman numerals) • XCBL – (i) XML Common Business Library • XCD – (s) East Caribbean dollar (ISO 4217 currency code) == XD ==

• XD – Used in chatrooms or email for smiley face. X is the eyes; squinted D is the mouth; XD. == XE ==

• XF • (s) Automobile made by Jaguar • (s) Truck made by DAF Trucks • (p) IATA code for Vladivostok Air • XFA – (i) XML Forms Architecture • XFC – (i) Xtreme Fighting Championships • XFD – (s) Fighter aircraft made by Douglas • Xfe – (i) X File Explorer • XFF – (i) X-Forwarded-For • XFG – (p) Exfoliation glaucoma • XFH • (s) 1932 prototype U.S. Navy fighter aircraft made by Hall • (i) X-ray fluorescence holography • XFN • (i) XHTML Friends Network • (p) IATA code for Xiangyang Liuji Airport • XFR – (s) Automobile made by Jaguar • XFT – (p) X FreeType interface library • XFW – (p) IATA code for Hamburg Finkenwerder Airport == XG ==

• XG – (s) Automobile made by Hyundai • XGA – (p) Extended Graphics Array • XGE • (i) Xoreax Grid Engine • (s) Signal for "I Surrender" • XGG – (p) IATA code for Gorom Gorom Airport • XGN – (p) IATA code for Xangongo Airport • XGP – (p) Extreme Game Player • XGR – (p) IATA code for Kangiqsualujjuag (Georges River) Airport == XH ==

• xh – (s) Xhosa language (ISO 639-1 code) • xho – (s) Xhosa language (ISO 639-2 code) • XHTML – (p) eXtensible Hypertext Markup Language • XHR – (p) eXtra high Image resolution – XMLHTTPRequest == XI ==

• XI – (s) Eleven (in Roman numerals) • XII – (s) Twelve (in Roman numerals) • XIII – (s) Thirteen (in Roman numerals) • XIV – (s) Fourteen (in Roman numerals) • XIX – (s) Nineteen (in Roman numerals) == XJ ==

• XJ • (s) Automobile made by Jaguar • (s) Automobile made by Jeep • XJL • (s) Amphibian aircraft made by Columbia • (s) Automobile made by Jaguar • XJS – (s) Automobile made by Jaguar == XK ==

• XK • (s) Automobile made by Jaguar • (s) Automobile made by Jeep • (s) Kell blood group precursor • XKA – (p) IATA code for Kantchari Airport • XKB – (p) X keyboard extension • XKE – (s) Automobile made by Jaguar • XKH – (p) IATA code for Xieng Khouang Airport • XKR – (s) Automobile made by Jaguar • XKS – (p) IATA code for Kasabonika Airport • XKY – (p) IATA code for Kaya Airport == XL ==

• XL • (p) eXtra Large • (s) Forty (in Roman numerals) == XM ==

• XML – (p) eXtensible Markup Language • XMSF – (p) eXtensible Modelling and Simulation Framework == XN ==

• XN – (s) Christian – (s) Nordic Patent Institute • XNA • (p) IATA code for Northwest Arkansas Regional Airport • (i) X-No-Archive • (i) Xeno Nucleic Acid • XNC – (i) X Northern Captain • XNN – (p) IATA code for Xining Caojiabao Airport • XNS • (i) Xerox Network Systems • (p) Extensible Name Service • (s) Christians • XNU – (p) X is Not Unix == XO ==

• XO • (i) Χριστιανός Ορθόδοξος (Xristianos Orthodoksos, Greek for "Eastern Orthodoxy") • (p) eXecutive Officer • eXtra Old (brandy grade) • XOF – (s) BCÉAO (''Banque centrale des états de l'Afrique de l'Ouest) West African CFA (Communauté financière d'Afrique'') franc (ISO 4217 currency code) == XP ==

• XP – (p) eXperience Point (role-playing games) • XPD – (s) Palladium Troy ounce (ISO 4217 currency code) • XPF – (s) CFP franc (ISO 4217 currency code) • XPT – (s) Platinum Troy ounce (ISO 4217 currency code) == XQ ==

• XQJ – (p) XQuery API for Java™ • XQP – (p) IATA code for Quepos La Managua Airport • XQU – (p) IATA code for Qualicum Beach Airport == XR ==

• XRML – (p) eXtensible Rights Markup Language • XRP – (s) a cryptocurrency == XS ==

• XS – (i) Xiaolin Showdown -(s) Extra Small • XSL – (p) eXtensible Style Language == XT ==

• XTMH – eXtreme Technology Multiprocessor Hyperlanguage == XU ==

• XUL – (p) XML User Interface Language == XV ==