X


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AcronymDefinition
X10 (Roman numeral)
XExtra
XUnknown Quantity (variable)
XExperimental (US Military aircraft designation, as in X-1)
XTelephone Extension
XX Windows (TCP/IP-based network-oriented window system)
XMultiplied by
XMPAA Movie Rating for Adults Only
XSpecial Equipment (Stores 100 code)
XGeneration X
XCross
XEx (former)
XStrike
XExchange
XKiss
XCorporation (IRB)
XExisting
XExercise
XExcept (medical orders)
XTransfer (prefix)
XChrist
XExtreme (games)
XStrike (bowling)
XMalcolm X
XAxis (ophthalmological-related)
XEcstasy
XHalogen (organic chemistry)
XNorthwest Territories (postal code designation, Canada)
XBrigade (Graphical Representation/Army)
XÉcole Polytechnique (French famous university)
XReactance
XX Gene (X-Men)
XOffensive team (sports/coaching)
XBehind the Goal (Lacrosse)
XSpecial Distribution (Air Force)
XPersonal Mark (or signature)
X50 Proof (Alcoholic Beverages)
XFemale Chromosome
XPerpendicular to Orbit Plane
XInitial Position Error (of casualty)
X8-12 GHz frequency band
XExophoria At Distance (ophthalmology)
XHorizontal axis in Cartesian coordinate system
X[not an acronym] Last name taken by some Nation of Islam members
XXenophobia
XXerox Corporation
XX-ray (aviation letter code)