Abkürzungen mit „X"
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
| Abkürzung | Bedeutung | Sprache |
|---|---|---|
| X | Exchange, Execute, Extended, X Window System | EN |
| x | x-Zeit, Zeit des Beginns der Handlungen [ab x+01.20; bis x - 4 h] | DE |
| x 2d | für 2 Tage | DE |
| X! | typisch Frau | DE |
| X-SCID | Severe Combined Immunodeficiency | EN |
| X-TRA | Exploring the Efficacy of Once Daily Oral Rivaroxaban for Treatment of Thrombus in Left Atrial/Left Atrial Appendage in Subjects With Nonvalvular Atrial Fibrillation or Atrial Flutter | EN |
| X-Wagen | Arbeitswagen (sonstiger Güterwagen) | DE |
| X11 | X Window System Version 11 | EN |
| X11R7 | X Window System Version 11 Release 7 | EN |
| X3D | Extended Three Dimensions (Web) | EN |
| XA | Extended Architecture/Attribute | EN |
| XAA | XFree86 Acceleration Architecture | EN |
| XAB | X11 Address Book | EN |
| XAC | X Automatic Code | DE |
| XAD | eXperimental Attack Divebomber | EN |
| XAE | XML Authoring Environment | EN |
| XAF | eXtensible Application Framework | EN |
| XAFS | X-ray Absorption Fine Structure | EN |
| XAG | X-Media Asset Group | EN |
| XAI | X-ray Analysis Integration | EN |
| XAL | X10 Abstraction Library | EN |
| XAM | eXceptional Asian Market | EN |
| XAML | Extensible Application Markup Language | EN |
| XAMPP | Cross Platform Apache, MySQL, Perl, PHP | EN |
| XAO | eXperimental Airplane-Observation | EN |
| XAP | Xenotransplantation Action Plan | DE |
| XAPIA | X.400-API Association | EN |
| XAQ | Xanalogically Asked Question | EN |
| XAR | XML ARchive | DE |
| XAS | X-ray Absorption Spectroscopy | EN |
| XAT | eXperimental Advanced Trainer | EN |
| XAUI | 10 Gigabit Attachment Unit Interface | EN |
| XAW | eXchange And Warranty | EN |
| XAX | eXcellence Above eXpectation | EN |
| XAZ | X-ray Analysis Zone | EN |
| XBA | eXtra Bases Advanced | EN |
| XBAC | Experience Based Admission Control | EN |
| XBAP | XAML Browser Application | EN |
| XBC | Cross-Border Connection [!] | EN |
| XBE | eXpress Business Effectiveness | EN |
| XBEL | XML Bookmark Exchange Language | EN |
| XBF | eXperimental Boundary File | EN |
| XBG | eXperimental Bomber-Great Lakes | EN |
| XBH | eXtra-Base Hit | EN |
| XBI | eXtended Basic Input | EN |
| XBL | Exploits Block List | EN |
| XBM | X Window System Black-and-white Bitmap (file) | EN |
| XBMC | XBox Media Center | EN |
| XBP | XBase Parts | EN |
| XBQ | X-Box Quebec | EN |
| XBR | Cross-Band Radar [!] | EN |
| XBRL | Extensible Business Reporting Language | EN |
| XBT | eXpendable BathyTHermograph | EN |
| XBV | eXtreme Beach Volleyball | EN |
| XBW | eXtreme Backyard Wrestling | EN |
| XBZ | X-Box Zone | DE |
| XC | Extended Configuration | EN |
| XCA | eXtreme Circumstances Allowance | EN |
| XCB | eXtension Client Binding | EN |
| XCBP | XML Common Biometric Format | EN |
| XCC | eXpectation-value Coupled-Cluster | EN |
| XCD | Extended Compact Disc | EN |
| XCE | eXchange Carry and Emulation | EN |
| XCF | Experimental Computing Facility | EN |
| XCG | Xenopus Cement Gland | EN |
| XCHG | Exchange | EN |
| XCHS | Extended Cylinders, Heads, Sectors | EN |
| XCI | XML Court Interface | EN |
| XCK | eXtreme Chaos Kommando | DE |
| XCL | eXcess Current Liabilities | EN |
| XCM | eXternal ComMand | EN |
| XCMD | Extended Mode Command (Apple) | EN |
| XCN | X-Chat Napsterizer | EN |
| XCP | Extended Copy Protection (Sony) | EN |
| XCQ | eXecutive Control Quotient | EN |
| XCR | Xilinx Cool Runner | EN |
| XCS | Xenos Christian School | EN |
| XCU | eXtreme Close Up | EN |
| XCV | eXperimental Carrier Vessel | EN |
| XCW | eXtreme Championship Wrestling | EN |
| XCX | eXtreme Circumstances eXploration | EN |
| XD | Execute Disable | EN |
| XDA | X-band Drive Amplifier | EN |
| XDB | eXtended DataBase | EN |
| XDC | Cross-point Data Conflict [!] | EN |
| XDCS | X/Open Distributed Computing Services | EN |
| XDD | eXperimental Design Document | EN |
| XDE | eXtended Development Experience | EN |
| XDF | Extended Density Format (IBM) | EN |
| XDG | eXperimental Design Group | EN |
| XDH | Xanthene DeHydrogenase | DE |
| XDJ | Xerox Disclosure Journal | EN |
| XDK | [Microsoft] X-Box [software] Development Kit | EN |
| XDL | X Display Location | EN |
| XDLE | Transparent Data Link Escape | EN |
| XDM | X11 Display Manager | EN |
| XDMCP | X11 Display Manager Control Protocol | EN |
| XDN | Xsonic Data Now | EN |
| XDO | eXtensible Data Object | EN |
| XDP | XML Data Package | EN |
| XDR | External/Extended Data Representation | EN |
| XDR-TB | extrem resistentes Tuberkulosebakterium | DE |
| XDS | X/Open Directory Service | EN |
| XDT | Xenon Discharge Tube | EN |
| XDW | Xerox DocuWorks | EN |
| XDX | Xenon Discharge eXperiment | EN |
| XDZ | Xian Development Zone | EN |
| XE | Extended Edition | EN |
| XEA | eXpress Electronic Access | EN |
| XEC | eXperimental Estelle Compiler | DE |
| XED | XML Enabled Directory | EN |
| XEE | XML [Query] Execution Engine | EN |
| XEF | XEnon Fluoride | EN |
| XEG | X-ray Emission Gauge | EN |
| XEH | XEnon Hydride | DE |
| XELOX | ein [[Chemotherapie#Therapieschemata | DE |
| XEM | eXchange Electronic Mail | EN |
| Xenon | Xenon-Scheinwerfer | DE |
| XEQ | eXtra Easy Question | EN |
| XER | XML Encoding Rule | EN |
| Xerogr. | Abkürzung für Xerographie oder Xerografie | DE |
| Xerok. | Abkürzung für Xerokopie | DE |
| XES | Xerox Engineering Systems | EN |
| XET | Xerox Ethernet Tunnel | EN |
| XETB | Transparent End of Transmission Block | EN |
| XETX | Transparent End of Text | EN |
| XEW | X Examine WAD | EN |
| XEWA | XML-Enabled Wide Area Search in Bioinformatics | EN |
| XFA | Extended File Attribute | EN |
| XFB | eXtended File Broker | EN |
| XFBML | Extended Facebook Markup Lauguage | EN |
| XFC | XMLmind FO Converter | DE |
| XFCN | External Function | EN |
| XFD | eXtreme Feedback Device | EN |
| XFDF | XML Forms Data Format | EN |
| XFDL | Extensible Forms Description Language | EN |
| XFE | X Front End | EN |
| XFF | eXtended Feature Function | EN |
| XFG | X-band Frequency Generator | EN |
| XFH | X-ray Fluorescence Holography | EN |
| XFI | X-Fi: Xtreme Fidelity (Creative Technology) | EN |
| XFL | eXtreme Football League | EN |
| XFLD | Xfce Live Demo | EN |
| XFM | eXchange Force Microscopy | EN |
| XFN | X/Open Federated Naming Service | EN |
| XFO | XSL Formatting Object | EN |
| XFQ | Xenon-Filled Quartz | EN |
| XFR | eXperiments in the Future of Reading | EN |
| XFS | Extensions for Financial Services | EN |
| XFT | eXtremely Fast Tracker | EN |
| XFU | Xenon Flash Unit | EN |
| XFV | eXperimental Fighter Vertical-takeoff | EN |
| XFW | Crossing Fort Worth [!] | EN |
| XFX | eXtra Effects [!] | EN |
| XG | Extended General MIDI | EN |
| XGA | Extended Graphics Array (IBM) | EN |
| XGB | eXtreme Ghost Busters | EN |
| XGC | eXtension of the Goldbach Conjecture | EN |
| XGD | eXtended Graphics Display | EN |
| XGE | eXogenous Genetic Engineer | EN |
| XGF | XML Game Format | EN |
| XGG | Xander Guardian Guild | EN |
| XGH | Xenopus Growth Hormone | EN |
| XGI | Xenopus laevis Gene Index | EN |
| XGK | X-Generation Kit | EN |
| XGL | eXtra Grand Luxury | EN |
| XGM | Cross-Gain Modulation [!] | EN |
| XGN | eXtreme Gaming Network | EN |
| XGP | Xylophone and Glockenspiel Players | DE |
| XGQ | eX-Gentleman's Quarterly | EN |
| XGR | eXtreme Gaming Radio | EN |
| XGS | eXtreme Gaming Server | EN |
| XGT | eXtreme God Team | EN |
| XGV | Xerox Global View | EN |
| XGX | eXtensible Graphics [!] | EN |
| XGZ | Xenogears Ground Zero | EN |
| XHA | Crossover High Availability [!] | EN |
| XHB | XML HandBook | DE |
| XHC | eXtra High Ceiling | EN |
| XHCI | Extended Host Controller Interface | EN |
| xHCI | Extensible Host Controller Interface | EN |
| XHD | Extreme High Definition | EN |
| XHF | eXtra High Frequency | EN |
| XHG | eXtra High-Grade | EN |
| XHI | eXtra High Intensity | EN |
| XHK | Xerox-Hong Kong | EN |
| XHL | eXtensible Hyperlinking Language | EN |
| XHM | Xantus Healthplan for Mississippi | EN |
| XHP | eXpandable HomePage | EN |
| XHQ | eXtreme High Quality | EN |
| XHR | XML HTTP Request (object) | EN |
| XHS | eXchangeable Hub System | EN |
| XHTML | Extensible Hypertext Markup Language | EN |
| XHV | eXtremely High Vacuum | EN |
| XHW | eXtreme HardWare | DE |
| XHY | eXtra High Yield | EN |
| XI | Exchange Infrastructure | EN |
| XIA | Xanadu Information Architecture | EN |
| XIB | XML Inline Binary | EN |
| XID | Exchange Identifier/Identification | EN |
| XIE | X11 Image/Imaging Extension (Standard) | EN |
| XIE-DIS | XIE Document Imaging Subset | EN |
| XIF | Xerox Image File | EN |
| XIG | XI Graphics | EN |
| XIK | XRT Integration Kit | DE |
| XIL | eXtensible Indexing Language | EN |
| XILP | XILP: Internet Links People]] | EN |
| XIM | X11 Input Method | EN |
| XIN | eXtended Intensive-care Nursing | EN |
| XIO | Extended Input Output | EN |
| XIP | eXecute-In-Place | EN |
| XIQ | eXtreme Intelligence Quotient | EN |
| XIR | XIAM Information Router | EN |
| XIS | X-ray Isochromat Spectroscopy | EN |
| XITB | Transparent Intermediate Block | EN |
| XIU | Xian International University | EN |
| XIZ | eXtra Initial Zero | EN |
| XJC | XML Java Compiler | DE |
| XJD | XML Job Description | EN |
| XJE | X-frame Java Environment | EN |
| XJG | Xassow Japan Guiding | EN |
| XJI | eX Jocks, Incorporated | EN |
| XJP | eXperimental Jet Pack | EN |
| XJR | eXperimental Jaguar Racing | EN |
| XJS | eXperimental Jaguar Sports | EN |
| XJT | eXpansion JoinT | EN |
| XJU | XinJiang University | EN |
| XJW | eX-Jehovah's Witness | EN |
| XJX | XML to Java Transformation [!] | EN |
| XJY | eXchange of Japanese Yen | EN |
| XKB | X11 Keyboard Extension | EN |
| XKI | eXtensible Key Infrastructure | EN |
| XKM | XML Key Management | EN |
| XL | Excel (Microsoft) | EN |
| XLA | eXcimer LASER | EN |
| XLATE | Translate | EN |
| XLB | Xylem-Limited Bacteria | EN |
| XLC | eXcellence and Leadership for Communities | EN |
| XLD | eXperimental LASER Device | EN |
| XLE | XML Lightweight Extractor | EN |
| XLF | Exceptional Fortran (IBM) | EN |
| XLFD | X11 Logical Font Description/Descriptor | EN |
| XLG | eXtra LarGe | EN |
| XLH | X-Linked Hypophosphatemia | EN |
| XLIFF | XML Localization Interchange File Format | EN |
| XLINK | Extended Local Informatik Netz Karlsruhe | EN |
| XLL | Extensible Link/Linking Language | EN |
| XLM | Excel Macro Language (Microsoft) | EN |
| XLN | Xtra Low Noise [cable] | EN |
| XLO | eXtra Large Orifice | EN |
| XLP | X-Linked LymphoProliferation | EN |
| XLQ | eXtra-Large Quotient | EN |
| XLR | External, Line/Live, Return (cable) | EN |
| XLS | Excel Spreadsheet | EN |
| XLT | XML Lexicons and Terminologies | EN |
| XLU | eXclusive of Loading and Unloading | EN |
| XLV | eXtended Linux Video | EN |
| XLW | eXceL Web | EN |
| XLX | eXtra Learning eXperience | EN |
| XMA | X-ray Micro-Analysis | EN |
| XMB | XML Message Board | EN |
| XMC | Xpress Media Consulting | EN |
| XMD | eXpert Mold Design | EN |
| XMF | Extensible Music Format (MIDI) | EN |
| XMG | Xavier Media Group | EN |
| XMH | X-interface to Mail Handling | EN |
| XMI | XTendbus Multibus Interface | EN |
| XMIT | Transmit | EN |
| XMK | eXtreme Minimal Kernel | DE |
| XML | Extensible Markup Language | EN |
| XML-RPC | Extensible Markup Language Remote Procedure Call]] | EN |
| XMM | Extended Memory Manager | EN |
| XMP | X/Open Management Protocol | EN |
| XMPP | Extensible Messaging and Presence Protocol | EN |
| XMQ | XPS MultiQuant | EN |
| XMR | X-ray Magnetic Resonance | EN |
| XMRV | Xenotropic murine leukemia virus-related virus | EN |
| XMS | Extended Memory Specification | EN |
| XMSF | Extensible Modeling and Simulation Framework | EN |
| XMSN | Transmission | EN |
| XMT | Transmit | EN |
| XMTR | Transmitter | EN |
| XMU | XiaMen University | EN |
| XMX | X MultipleXor | EN |
| XNA | Cross-Section Next-Generation Architecture (Microsoft) | EN |
| XNB | eXplore New Brunswick | EN |
| XNC | eXperimental Numerical Control | EN |
| XND | X-Men Next Dimension | EN |
| XNE | Xiamen Ningly Electronics | EN |
| XNF | Xilinx Netlist Format | EN |
| XNH | eXperimental Nagler Helicopter | EN |
| XNI | Xerces Native Interface | EN |
| XNL | eX-National League | EN |
| XNM | eXpansion Node Manager | EN |
| XNN | Xena News Network | EN |
| XNO | eXperimental Network Operation | EN |
| XNP | eXperimental Network Protocol | EN |
| XNR | X-based News Reader | EN |
| XNS | Xerox Network Services/Standard/System | EN |
| XNU | eXclude Non-Unique | EN |
| XNW | eXplorations NorthWest | EN |
| XO | Crystal Oscillator | EN |
| XOA | eXperimental Observation Amphibian Aircraft | EN |
| XOB | Xanopinauta Oro de Brasilia | DE |
| XOC | Xterra Owners Club | EN |
| XOD | eXternal Object Data | EN |
| XOFF | Exchange/Transmitter Off | EN |
| XOG | eXpedition Owners Group | EN |
| XOH | eXperimental Observation Helicopter | EN |
| XOI | eXplodes On Impact | EN |
| XOJ | eXecutive Office-Joint Matters | EN |
| XOL | XML-based Ontology-exchange Language | EN |
| XOM | X/Open Management | EN |
| XON | Exchange/Transmitter On | EN |
| XOO | eXtended Operational Optimisation | EN |
| XOP | X-rays Out of Plaster | EN |
| XOQ | eXample of Order Query | EN |
| XOR | Exclusive Or (EOR) | EN |
| XORP | Extensible Open Router Platform | EN |
| XOS | Experimental Operating System | EN |
| XOT | X.25 Over TCP/IP | EN |
| XOU | eXtra Output Unit | EN |
| XOV | Crossover OverView [!] | EN |
| XOW | XML Output Writer | EN |
| XOX | Hugs and Kisses (Slang) | EN |
| XOY | eXecutive Officer Yeomanry | EN |
| XOZ | eXtra Output Zero | EN |
| XP | Cross Point | EN |
| XPA | X-band Planar Array | EN |
| XPATH | XML Path Language | EN |
| XPB | Xlib Playback Benchmark | EN |
| XPC | X11 Performance Characterization Group | EN |
| XPD | Cross Polar Discrimination [!] | EN |
| XPE | eXtreme Performance Enhancement | EN |
| XPEL | X11 Protocol Engine Library | EN |
| XPF | eXPlosion-release Factor | EN |
| XPFE | Cross Platform Front End | EN |
| XPG | X/Open Portability Guide | EN |
| XPH | eXPlosion Hazard | EN |
| XPI | eXtra Paranormal Investigation | EN |
| XPK | eXternal PacKer | EN |
| XPLA | Extended Programmable Logic Array | EN |
| XPM | X Window System Pixelmap (file) | EN |
| XPN | eXPlosive-Neutralized | EN |
| XPO | eXPlosive-Optimized | EN |
| XPP | eXpress Paid Post | EN |
| XPR | External Data Representation | EN |
| XPS | XML Paper Specification | EN |
| XPT | External Page Table | EN |
| XPU | X-band Pulse Unit | EN |
| XPVM | Executable Parallel Virtual Machine | EN |
| XPW | eXtreme Pro Wrestling | EN |
| XPX | eXecutive Physical eXamination | EN |
| XQA | XML Query Algebra | EN |
| XQB | eX-QuarterBack | EN |
| XQC | X-Ray Quantum Calorimeter | EN |
| XQD | eXperimental Quality Determination | EN |
| XQE | XQuery Engine | EN |
| XQF | eXpress Quick Form | EN |
| XQH | eXcess Quantity Holdover | EN |
| XQI | XML Query Interface | EN |
| XQJ | XQuery for Java | EN |
| XQK | eXpansion of Quadratic Kernal | EN |
| XQL | XML Query Language | EN |
| XQM | Xmail Queue Manager | EN |
| XQN | XML Qualified Name | EN |
| XQO | XML Query Operation | EN |
| XQP | eXtended QIO Processor | EN |
| XQR | eXtended Query Record | EN |
| XQS | eXperimental Query System | EN |
| XQV | eXtra-Quiet Vehicle | EN |
| XR | Index Register | EN |
| XRA | X-Ray Analysis | EN |
| XRB | X-Ray Background | EN |
| XRC | Extended Remote Copy | EN |
| XRD | X-Ray Diffraction | EN |
| XRE | X-Ray Event | EN |
| XREF | Cross Reference List | EN |
| XRF | eXtended Recovery Facility | EN |
| XRG | eXperimental Reentry Glider | EN |
| XRH | X-Ray Hazard | EN |
| XRI | X-Ray Image | EN |
| XRJ | eXtreme Rain Jacket | EN |
| XRL | eXtended Range Lance | EN |
| XRM | X Resource Manager | EN |
| XrML | Extensible rights Markup Language]] | EN |
| XRO | X-Ray Optics | EN |
| XRP | X-Ray Photon | EN |
| XRR | X-Ray Reflectometer | EN |
| XRS | X-Ray Spectrometer | EN |
| XRT | eXtensions for Real-Time | EN |
| XRU | X-Ray Unit | EN |
| XRV | X-Ray Vector | EN |
| XRW | X-Ray Warming | EN |
| XRX | X-Ray eXperiment | EN |
| XRZ | eXtension of Reconnaissance Zone | EN |
| XS | Sachgegenstandsüberprüfung (Beim Kennzeichen Stadt meist gesprochen) | DE |
| XS2I4MS | Access to I4MS | EN |
| XSA | XML Software Autoupdate | DE |
| XSC | Extended Scientific Calculation | EN |
| XSD | Xenix Shared Data | EN |
| XSDT | Extended System Description Table | EN |
| XSE | Xray Scattering Energy | EN |
| XSF | X Strike Force | EN |
| XSG | eXperimental Scout-Great Lakes | EN |
| XSI | X/Open Systenm Interface Specification | EN |
| XSJ | eX-Society of Jesus | EN |
| XSK | Xilinx Student Kit | EN |
| XSL | Extensible Style(sheet) Language | EN |
| XSL-FO | Extensible Stylesheet Language – Formatting Objects | EN |
| XSLFO | Extensible Style(sheet) Language Formatting Object | EN |
| XSLT | Extensible Style(sheet) Language Transformation | EN |
| XSM | X Session Manager | EN |
| XSMD | Extended Storage Module Drive | EN |
| XSMP | X11 Session Manager Protocol | EN |
| XSN | Xtended Stay Network | EN |
| XSO | eXcess Speed Observed | EN |
| XSP | Xylem Sap Potential | EN |
| XSQ | eXtreme Spreadsheet Quality | EN |
| XSR | eXperimental Sports Roadster | EN |
| XSRF | Cross Site Request Forgery | EN |
| XSS | Cross-Site Scripting | EN |
| XSSI | Extended Server Side Includes | EN |
| XSSO | X/Open Single Sign-On (Service) | EN |
| XST | Cross-Site Tracing [!] | EN |
| XSTX | Transparent Start of Text | EN |
| XSU | X-band Satellite Unit | EN |
| XSW | X-band antenna SWitch | EN |
| XSY | eXtended School Year | EN |
| XSYN | Transparent Synchronous Idle | EN |
| XT | Crosstalk | EN |
| XTA | eXperimental Trainer-Air Cooled | EN |
| XTAL | Crystal | EN |
| XTB | eXperimental Torpedo Boeing Aircraft | EN |
| XTC | eXternal Transmit Clock | EN |
| XTCLK | External Transmit Clock | EN |
| XTD | XML Type Definition | EN |
| XTE | Cross-Track Error [!] | EN |
| XTF | eXtensible Test Framework | EN |
| XTG | eXternal Transmission Gearing | EN |
| xtgl. | mehrmals täglich | DE |
| XTH | Xenon-Tungsten-Halogen | DE |
| XTI | X/Open Transport (Layer) Interface | EN |
| XTM | Extensible Threat Management | EN |
| XTO | X-band Triode Oscillator | EN |
| XTP | XPress Transfer Protocol | EN |
| XTQ | eXTraction from QuarkXpress | EN |
| XTR | Xray Transition Radiation | EN |
| XTS | Cross-Tell Simulator [!] | EN |
| XTT | Xoops Time Tracker | EN |
| XTTD | Transparent Temporary Text Delay | EN |
| XTU | Xing Tai University | EN |
| XTV | eXeter TeleVision | EN |
| XTW | X-band Traveling Wave | EN |
| XTX | eXtreme Tactical eXecutioners | EN |
| XUA | Xtreme Universal Alliance | EN |
| XUC | eXtended Use Case | EN |
| XUD | eXcess Usage Data | EN |
| XUE | eX-Union Executive | EN |
| XUG | Xbox Users Group | EN |
| XUH | eX-University of Hertfordshire | EN |
| XUI | X11 User Interface | EN |
| XUK | eXperience United Kingdom | EN |
| XUL | Extensible/XML-Based User Interface Language | EN |
| XUM | X-ray Ultra-Microscope | EN |
| XUMA | Expertensystem Umweltgefaehrlichkeit von Altlasten | DE |
| XUO | Xtreme Ultima Online | EN |
| XUP | eXtreme Unified Process | EN |
| XUS | eX United States | EN |
| XUT | eXtraction Universal Tripod | EN |
| XUU | Xavier University Union | EN |
| XUV | eXpendable Unmanned Vehicle | EN |
| XUW | Xavier University Women | EN |
| XUX | Xavier University eXchange | EN |
| XUY | eXperience UruguaY | EN |
| XUZ | Transmit User Zero [!] | EN |
| XVA | eXtra-Vehicular Activity | EN |
| XVB | Xtreme Volley Ball | EN |
| XVC | eXtra Video Card | EN |
| XVD | eXtraordinary Video Disc | EN |
| XVE | X11 Visual Extensions | EN |
| XVF | eXtended Vertical File | EN |
| XVH | eXternal Vacuum Housing | EN |
| XVI | XTendbus VMEbus Interface | EN |
| XVJ | eXtra-credit Vocal Jazz | EN |
| XVL | eXperimental Vertical Liftoff | EN |
| XVM | eXtreme Volt Modulation | DE |
| XVN | eXternal Vendor Network | EN |
| XVO | eXtra Virgin Olive-oil | EN |
| XVP | Xtremely Violent Posse | EN |
| XVR | eXchange Voltage Regulator | EN |
| XVS | X/Open System V Specification | EN |
| XVT | Extensible Virtual Toolkit | EN |
| XVV | X-axis towards Velocity Vector | EN |
| XVW | Xernet Variable Word | EN |
| XVX | eXpanded Value eXperiments | EN |
| XVZ | eXcessive Voltage-Zener | EN |
| XWA | eXtra-Wide Aperture | EN |
| XWB | Xerox Wireless Broadband | EN |
| XWC | eXpanded Water Column | EN |
| XWD | X11 Window Dump | EN |
| XWE | X-treme Wrestling Entertainment | EN |
| XWF | Xtreme Wrestling Federation | EN |
| XWG | eXperimental Working Group | EN |
| XWH | Class X Wheat Hopper | EN |
| XWI | Xtensa Wrapper Interface | EN |
| XWL | eXtreme Water Level | EN |
| XWM | X-Window Manager | DE |
| XWO | Xtreme Wrestling Order | DE |
| XWP | Xena the Warrior Princess | EN |
| XWR | eXtra Water Resistance | EN |
| XWS | X Window System, X11 | EN |
| XWV | Christian World View [!] | EN |
| XWZ | Xsetup WiZard | EN |
| XXA | Xross-Xultural Architecture | EN |
| XXC | eXpert Cross-Country [!] | EN |
| XXD | eXtra-eXtra Distance | EN |
| XXE | XMLmind XML Editor | EN |
| XXF | eXtra-eXtra Fine | EN |
| XXG | eXtra-eXtra Grande | DE |
| XXH | eXtra eXtra Heavy | EN |
| XXL | eXtra eXtra Large | EN |
| XXP | Xbase and eXchange Platform | EN |
| XXS | eXtra eXtra Small | EN |
| XXT | eXtra eXtra Tough | EN |
| XXW | eXtra eXtra Wide | EN |
| XY | Geschlechtschromosom | DE |
| XYA | Cross Your Arms [!] | EN |
| XYI | XYlose Isomerase | EN |
| Xyl. | Abkürzung für Xylograph, Xylograf | DE |
| XYM | eXamine Your Mind | EN |
| Xyrem | Trial of Xyrem for Excessive Daytime Sleepiness and Sleep Disturbance in Parkinson's Disease (PD) | EN |
| XYT | eXpanding Youth Trends | EN |
| XYU | eXamine Your Underwear | EN |
| XYY | eXchange of Yiddish Youth | EN |
| XYZ | eXamine Your Zipper | EN |
| XZB | eXtreme Zone Boundary | EN |
| XZE | eXtreme Zone Effect | EN |
| XZI | eXpansion Zone Index | EN |
| XZM | eXterior Zone Melting | EN |
| XZP | eXtended Zinc Process | EN |
| XZW | Xtreme Zone Wrestling | EN |