Elementary Vocabulary

36,007 words and 29 expressions at the elementary level.

Xnum

An unknown quantity or unknown value.

x'snoun

plural of x

x-prefix

Abbreviation of trans-.

X-Onoun

Synonym of X's and O's.

X.prefix

prefix used for CCITT-ratified (UN) international telecom standards on e-mail

X11name

A windowing system for bitmap displays, common on Unix-like operating systems.

x64name

Contraction of x86-64.

x86name

Specifically, the 32-bit version of the x86 instruction set architecture.

x87name

An extension to the x86 CPU instruction set architecture, providing direct hardware support for advanced floating-point arithmetic operations (rather than requiring them to be emulated in software).

XAInoun

Initialism of explainable artificial intelligence.

XAMLname

Initialism of Extensible Application Markup Language.

Xanname

A diminutive of the male given name Alexander.

XANDnoun

XNOR, a logic gate.

Xansnoun

plural of Xan

Xanynoun

Alternative form of Xanny.

XAPname

ICAO code for Midway Connection, operated by Fischer Brothers Aviation of the United States

XARname

Initialism of Xinjiang Autonomous Region, officially Xinjiang Uyghur Autonomous Region, an administrative region of China.

XASnoun

Acronym of X-ray absorption spectroscopy.

xatnoun

A carved pole erected as a memorial to the dead by some Native Americans of Western North America.

xatsnoun

plural of xat

xatónoun

A sauce from Catalonia made with almonds, hazelnuts, breadcrumbs, vinegar, garlic, olive oil, salt, and the nyora pepper.

Xavname

A diminutive of the male given name Xavier.

Xaviname

A diminutive of the male given name Xavier.

XBnoun

Initialism of experimental bomber.

XB1name

Initialism of Xbox One.

XBAnoun

Initialism of cross-battery assessment.

XBLname

Initialism of XML binding language: an XML-based markup language used to define the behaviour and appearance of XUL widgets and XML elements.

XBLAname

Initialism of Xbox Live Arcade.

xbownoun

Abbreviation of crossbow.

Xboxnoun

Any of the home consoles in Microsoft's Xbox product line, especially the original Xbox.

XBsnoun

plural of XB

XBXnoun

Initialism of Ten Basic Exercises (A popular mid-20th-century exercise regime in Canada.)

XCnoun

Abbreviation of cross country.

XCMnoun

Initialism of Cross-Country Marathon.

XCOnoun

Initialism of Cross-Country Olympic.

XCUnoun

Initialism of extreme close-up.

XDnoun

Initialism of experience design.

xdivadj

Abbreviation of ex dividend.

XDKname

Initialism of Xbox Development Kit.

xDNAnoun

A size-expanded nucleotide system synthesized from the fusion of a benzene ring and one of the four natural bases: adenine, guanine, cytosine, and thymine.

XDRadj

Initialism of extremely drug resistant (used to refer to strains of tuberculosis).

xDSLname

Any of various digital subscriber line technologies, such as ADSL, HDSL, and VDSL.

XEname

Abbreviation of Extreme E.

Xedverb

simple past and past participle of X

xeernoun

The traditional legal system of Somalia, believed to predate Islam, in which elders serve as mediators and people are responsible for the actions of their families.

xeetnoun

Alternative form of tweet.

xemenoun

Sabine's gull (Xema sabini).

Xemuname

Alternative spelling of Xenu.

xen-prefix

Alternative form of xeno-.

Xenaname

A female given name from Ancient Greek of modern usage.

Xenuname

An extraterrestrial galactic leader said to have transported aliens to Earth 75 million years ago and murdered them with hydrogen bombs at sites of volcanoes, turning them into thetans.

Xernoun

Ellipsis of Gen-Xer, a member of Generation X.

xer-prefix

Alternative form of xero-.

Xersnoun

plural of Xer

Xesnoun

plural of X

XFname

Initialism of The X-Files.

xfedverb

simple past and past participle of xfeed

XFELnoun

Abbreviation of X-ray free-electron laser.

xfernoun

Abbreviation of transfer.

XFLname

Initialism of Xtreme Football League.

xGnoun

Initialism of expected goals (used in game statistics)

XGAname

Extended Graphics Array, a computer display standard of the 1990s, offering various resolutions and palettes and using a 4:3 aspect ratio.

xhepron

Alternative form of xe.

xinoun

The 14th letter of Classical and Modern Greek. The 15th in Ancient and Old Greek.

Xianame

An ancient dynasty in China.

Xianname

Alternative spelling of Xi'an, the provincial capital of Shaanxi, in central China.

xiaonoun

A type of Chinese flute.

Xibenoun

A Tungusic people of Xinjiang Uyghur Autonomous Region in Northwest China.

Xibonoun

Alternative form of Xibe (“a Tungusic people living mostly in Xinjiang, Jilin (bordering North Korea) and Shenyang in Liaoning, China”)

Xiconame

A city, the administrative seat of Valle de Chalco, State of Mexico, Mexico.

Xiename

A surname from Chinese.

Xiesname

plural of Xie

Xifuname

A former name of Hangzhou, during the time when it served as the capital of the 10th-century Wuyue kingdom.

Xiguname

A district of Lanzhou, Gansu, China.

Xihename

a solar deity in Chinese mythology

Xihuname

A district of Nanchang, Jiangxi, China.

Xijiname

A county of Guyuan, Ningxia autonomous region, China.

Xijuname

An island of Juguang, Lienchiang County, Taiwan, in the Matsu Islands.

Xinname

A surname.

xingnoun

Abbreviation of crossing or pedestrian crossing.

Xinsname

plural of Xin

Xiriname

A moribund Khoisan language of South Africa, related to Nama.

xisnoun

plural of xi

xitnoun

Synonym of tweet.

XIthadj

Abbreviation of eleventh; 11th.

xitsnoun

plural of xit

Xiyuname

A rural township in Penghu County, Taiwan.

XLnoun

Initialism of extra large (the manufactured size or an item of that size).

XLBnoun

Abbreviation of xiaolongbao

Xletnoun

A kind of Java applet used for digital television features.

XLPEnoun

Acronym of cross-linked polyethylene.

XLRnoun

A kind of electrical connector, circular and having between three and seven pins, primarily used with professional audiovisual and stage lighting equipment.

XLRsnoun

plural of XLR

XLSnoun

Initialism of extra-long shot.

XLTnoun

Initialism of extra large tall (the manufactured size or an item of that size).

XMnoun

Initialism of extended module: a tracker music file format.

XMAnoun

Initialism of extensible management agent.

XMAsnoun

plural of XMA

XMIname

Initialism of XML Metadata Interchange (an OMG standard for exchanging metadata information using XML.)

xmitverb

Abbreviation of transmit.

XMLname

Initialism of Extensible Markup Language, a flexible text format for creating structured computer documents in machine-readable form.

XMMnoun

Initialism of Extended Memory Manager.

XMMsnoun

plural of XMM

XMPnoun

Initialism of xanthosine monophosphate.

XMRVname

Xenotropic murine leukemia virus, a laboratory-created virus thought capable of infecting humans, now believed to be a contaminant.

XMSname

Initialism of Extended Memory Specification.

XNnoun

examination

XNAname

Initialism of Xinhua News Agency (“新华社”); the New China News Agency (新华通讯社); the government news agency of the People's Republic of China.

XNAsnoun

plural of XNA

XNORnoun

A logic gate which is the inverse of XOR.

Xntynoun

Abbreviation of Christianity.

xonoun

Alternative form of xoxo (an abbreviation for hugs and kisses, usually placed at the end of a letter.)

XOFFnoun

Transmit off.

Xolonoun

Clipping of Xoloitzcuintli (“Mexican hairless dog”).

XOMname

Abbreviation of ExxonMobil.

XONnoun

transmit on

Xongnoun

The Limbu people of Nepal.

XONsnoun

plural of XON

XopNnoun

A toxic protein secreted by Xanthomonas that damages plants by damaging their immune response

XopRnoun

A toxic protein secreted by Xanthomonas that damages plants

xornoun

The logic function exclusive OR (as opposed to inclusive OR), whose output is true only when exactly one of its inputs is true.

Xorgname

Alternative form of X.Org, the standard implementation of X11.

xornnoun

A fictional monster that devours earthen and silicate materials and can move freely through earth.

xorsnoun

plural of xor

XOsnoun

plural of XO

Xosanoun

Alternative form of Xhosa.

xoxonoun

Abbreviation of hugs and kisses, usually placed at the end of a letter.

XPnoun

Initialism of extreme programming.

XPDLname

Initialism of XML Process Definition Language.

XPEnoun

Acronym of cross-linked polyethylene.

XPernoun

An extreme programmer.

xPONnoun

A combination of EPON and GPON.

XPSname

Initialism of Extreme Performance System, a line of gaming and performance computers manufactured by Dell.

XQname

The original designation of the Kratos XQ-58 Valkyrie.

XQsname

plural of XQ

XRnoun

Initialism of extended reality.

Xraynoun

Alternative form of X-ray.

XRCDnoun

Initialism of X-ray crystal density.

XRCTnoun

Initialism of X-ray computed tomography (which is what computed tomography alone usually means when not otherwise specified).

XRDnoun

Initialism of X-ray diffraction.

XRFnoun

Initialism of X-ray fluorescence.

XRInoun

Initialism of Extensible Resource Identifier.

XRIsnoun

plural of XRI

XRRnoun

Initialism of X-ray reflectivity.

XRXname

A solution stack based on XForms, REST, and XQuery.

XSnoun

Initialism of extra small (the manufactured size or an item of that size).

XSLnoun

Extensible stylesheet language, any of a family of languages in which code can be written to describe how XML files are to be transformed.

XSLTname

Initialism of Extensible Style Sheet Language Transformations.

XSRFnoun

Initialism of cross-site request forgery.

XTnoun

Abbreviation of extraterrestrial.

xtalnoun

Abbreviation of crystal.

Xthadj

Abbreviation of tenth; 10th.

XTMnoun

Initialism of XML topic map.

XTMsnoun

plural of XTM

Xtyname

Abbreviation of Christianity.

xunoun

A former unit of currency in Vietnam, equivalent to a hundredth of a dong.

XUARname

Initialism of Xinjiang Uyghur Autonomous Region (Xinjiang).

xucnoun

A danceable traditional music style from El Salvador developed in the 1940s; a dance related to said style.

Xuename

A surname.

Xuesname

plural of Xue

XULname

Initialism of Xml User interface Language.

Xuminame

Synonym of Shixing.

xunnoun

A globular vessel flute made of clay or ceramic originating from China.

xunsnoun

plural of xun

Xusname

plural of Xu

XUVnoun

Abbreviation of extreme ultraviolet.

XUVsnoun

plural of XUV

xuxonoun

Alternative form of xuixo.

xvidnoun

Synonym of xvideo.

xVxnoun

Vegan straight edge.

XWTname

Initialism of XML Windowing Toolkit, old name for the Vexi project.

XXEnoun

Initialism of XML external entity (attack).

XXLnoun

Initialism of extra extra large (the manufactured size or an item of that size).

XXSnoun

Initialism of extra extra small (the manufactured size or an item of that size).

XXXsymbol

Denotes extreme or hardcore pornography.

XXXLnoun

Initialism of extra extra extra large (the manufactured size or an item of that size).

XXXsverb

third-person singular simple present indicative of XXX

XXXXnoun

A fuck / damn.

XXYadj

Having an aneuploidy in the configuration of chromosomes by having an extra Y chromosome.

XYLnoun

One's wife.

xyl-prefix

Alternative form of xylo-.

Xyl.noun

Abbreviation of xylophone.

xylanoun

plural of xylon

xylophonenoun

Any musical instrument (percussion idiophone) made of wooden slats graduated so as to make the sounds of the scale when struck with a small drumstick-like mallet; the standard Western concert xylophone or one of its derivatives.

XYLsnoun

plural of XYL

xyr-prefix

Razor; razorlike.

xystnoun

A xystus.

XYZnoun

The color space of the tristimulus values X, Y, and Z.

XYZsnoun

plural of XYZ