Etymologies: X

107 word origins.

x-rated
[from a system of ratings for movies based on objectionableness of the content or suitability for children.]
X ray
[so called by its discoverer because of its enigmatical character, x being an algebraic symbol for an unknown quantity.]
Xanthamide
[Xanthic + amide.]
Xanthate
[See Xanthic.]
Xanthelasma
[NL.; Gr. xanqo`s yellow + 'e`lasma a metal plate.]
Xanthic
[Gr. xanqo`s yellow: cf. F. xanthique.]
Xanthide
[See Xantho-.]
Xanthidium
[NL., fr. Gr. xanqo`s yellow.]
Xanthin
[Gr. xanqo`s yellow.]
Xanthine
[Gr. xanqo`s yellow.]
Xanthinine
[Gr. xanqo`s yellow + quinine.]
Xanthium
[NL., fr. Gr. xa`nqion a plant used for dyeing the hair yellow, said to be the Xanthium strumarium, from xanqo`s yellow.]
Xanthocarpous
[Xantho- + Gr. karpo`s fruit.]
Xanthochroi
[NL. See Xanthochroic.]
Xanthochroic
[Xantho- + Gr. cro`a color.]
Xanthochroid
[See under Xanthrochroic, -oid.]
Xanthodontous
[Xantho- + Gr. 'odoy`s, 'odo`ntos, tooth.]
Xanthogen
[Xantho- + -gen.]
Xanthogenic
[See Xantho-, and -gen.]
Xanthoma
[NL. See Xantho-, and -oma.]
Xanthomelanous
[Pref. xantho- + Gr. , , black.]
Xanthophane
[Xantho- + Gr. fai`nein to show.]
Xanthophyll
[Xantho- + Gr. fy`llon leaf.]
Xanthopous
[Xantho- + Gr. poy`s, podo`s, foot.]
Xanthoprotein
[Xantho- + protein.]
Xanthopuccine
[Xantho- + puccoon + -ine.]
Xanthorhamnin
[Xantho- + NL. Rhamnus, the generic name of the plant bearing Persian berries.]
Xanthorhiza
[NL., fr. Gr. xanqo`s yellow + "ri`za root.]
Xanthorhoea
[NL., from Gr. xanqo`s yellow + "rei^n to flow.]
Xanthosis
[NL., fr. Gr. xanqo`s yellow.]
Xanthospermous
[Xantho- + Gr. spe`rma sperm.]
Xanthous
[Gr. xanqo`s yellow.]
Xanthoxylene
[See Xanthoxylum.]
Xanthoxylum
[NL., from Gr. xanqo`s yellow + xy`lon wood.]
Xebec
[Sp. jabegue, formerly spelt xabeque, or Pg. xabeco; both from Turk. sumbeki a kind of Asiatic ship; cf. Per. sumbuk, Ar. sumbūk a small ship.]
Xenelasia
[NL., from Gr. xenhlasi`a expulsion of strangers.]
Xenium
[L., from Gr. xe`nion gift to a guest, fr. xe`nos guest.]
Xenodochium
[LL., fr. L. xenodochium a building for the reception of strangers, Gr. xenodocei^on .]
Xenodochy
[Gr. xenodoci`a.]
Xenogamy
[Gr. xe`nos strange, foreign + ga`mos marriage.]
Xenogenesis
[Gr. xe`nos a stranger + E. genesis.]
Xenomania
[Gr. xe`nos strange + E. mania.]
Xenomi
[NL., from Gr. xe`nos strange.]
Xenon
[Gr. xe`non, neut. of xe`nos strange.]
Xenopterygii
[NL., from Gr. xe`nos strange + , dim. of a wing.]
Xenotime
[Gr. xeno`timos honoring guests or strangers; xe`nos guest, stranger + timh` honor: cf. G. xenotim.]
Xenurine
[Gr. xe`nos strange + o'yra` tail.]
Xenyl
[Gr. xe`nos strange + -yl.]
Xeraphim
[Pg. xarafin, xerafin, fr. Ar. ashrafī noble, the name of a gold coin.]
Xeriff
[See Shereef.]
Xeroderma
[NL., fr. Gr. xhro`s dry + de`rma skin.]
Xeronic
[Gr. xhro`s dry + citraconic.]
Xerophagy
[L. xerophagia, Gr. ; xhro`s dry + to eat.]
Xerophilous
[Gr. xhro`s dry + to love.]
Xerophthalmia
[L., fr. Gr. ; xhro`s dry + the eye. See Ophthalmia.]
xerophytic
[Gr. xhro`s dry + fyto`n a plant.]
Xerox
[From a brand name of the Xerox corporation.]
Xiphias
[L., a swordfish, a sword-shaped comet, fr. Gr. xifi`as, fr. xi`fos a sword.]
Xiphidium
[NL., from Gr. , dim. of xi`fos sword.]
Xiphioid
[Xiphius + -oid.]
Xiphiplastron
[NL., fr. Gr. xi`fos a sword + plastron.]
Xiphisternum
[NL., fr. Gr. xi`fos a sword + sternum.]
Xiphius
[NL., fr. Gr. xi`fos a sword.]
Xiphodon
[Gr. xi`fos a sword + 'odoy`s, 'odo`ntos, a tooth.]
Xiphoid
[Gr. xifoeidh`s sword-shaped; xi`fos a sword + e`i^dos form, shape: cf. F. xiphoide.]
Xiphophyllous
[Gr. xi`fos sword + fy`llon leaf.]
Xiphura
[NL., from Gr. xi`fos sword + o'yra` tail.]
XP
[Belongs here in appearance only.]
xxx
[by reduplication of the "X" used in some movie-rating systems.]
Xylamide
[Xylic + amide.]
Xylanthrax
[Gr. xy`lon wood + 'a`nqrax coal.]
Xylem
[Gr. xy`lon wood.]
Xylene
[Gr. xy`lon wood.]
Xylenol
[Xylene + -ol.]
Xylite
[Gr. xy`lon wood.]
Xylobalsamum
[NL., fr. Gr. xy`lon wood + ba`lsamon the balsam tree, balsam; cf. L. xylobalsamum balsam wood, Gr. xyloba`lsamon.]
Xylocarpous
[Xylo- + Gr. karpo`s fruit.]
Xylocopa
[NL., fr. Gr. cutting wood; xy`lon wood + to cut.]
Xylogen
[Xylo- + -gen.]
Xylograph
[Xylo- + -graph.]
Xylographic
[Cf. F. xylographique.]
Xylography
[Xylo- + -graphy: cf. F. xylographie.]
Xyloid
[Xylo- + -oid.]
Xyloidin
[Xylo- + -oid.]
Xylol
[Xylo- + L. oleum oil.]
Xylology
[Pref. xylo- + -logy.]
Xylophaga
[NL. See Xylophagous.]
Xylophagan
[See Xylophagous.]
Xylophagides
[See Xylophagous.]
Xylophagous
[Gr. xylofa`gos eating wood; xy`lon wood + fagei^n to eat.]
Xylophilan
[See Xylophilous.]
Xylophilous
[Xylo- + Gr. filei^n to love.]
Xylophone
[Xylo- + Gr. fwnh` sound.]
Xyloplastic
[Xylo- + -plastic.]
Xylopyrography
[Xylo- + Gr. , , fire + -graphy.]
Xyloquinone
[Xylene + quinone.]
Xylorcin
[Xylene + orcin.]
Xylose
[Pref. xylo- + -ose.]
Xylostein
[Xylo- + Gr. 'oste`on bone.]
Xylotomous
[Pref. xylo- + root of Gr. te`mnein to cut.]
Xylotomy
[Pref. xylo- + -tomy.]
Xylotrya
[NL., fr. Gr. xy`lon wood + to rub, wear out.]
Xylyl
[Xylo- + -yl.]
Xyris
[L., a kind of Iris, Gr. , fr. a razor.]
Xyst
[L. xystus, Gr. , from to scrape, polish; -- so called from its smooth and polished floor.]
Xystarch
[L. xystarches, Gr. , a xyst + to rule.]
Xyster
[NL., fr. Gr. xysth`r a scraper.]