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9 Letter Words Starting With X

Explore 135 English words that start with X and contain exactly 9 letters. Common examples include xylophone, xanthenyl, xanthopsy, xenocracy, xenophily.

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9-Letter X Words by Ending Letter

All 135 9-Letter Words Starting With X

xamoterol(pharmacology) A particular cardiac stimulant drug.xanthatesplural of xanthatexanthatin(organic chemistry) The sesquiterpenoid xanthanolide (3~{a}~{R},7~{S},8~{a}~{S})-7-methyl-3-methylidene-6-[(~{E})-3-oxobut-1-enyl]-4,7,8,8~{a}-tetrahydro-3~{a}~{H}-cyclohepta[b]furan-2-one present in Xanthium strumarium leaves.xantheineAlternative form of xanthein.xanthemia(pathology) The occurrence of yellow matter in the blood.xanthenesplural of xanthenexanthenic(organic chemistry) Pertaining to, or derived from, xanthene.xanthenyl(chemistry) A radical derived from xanthydrol, C₁₃H₁₀O⁺.xanthinesplural of xanthinexanthinicOf or relating to xanthine.xanthininAlternative form of xanthinine.xanthinolA drug prepared from theophylline, used as a vasodilator.xanthione(organic chemistry) The thione analog of xanthine, 9H-xanthene-9-thionexanthogen(chemistry, dated) Formerly, a hypothetical radical supposed to be characteristic of xanthic acid.xanthomasplural of xanthomaxanthopiaA visual disorder in which things appear yellowish.xanthopsyArchaic form of xanthopsia.xanthorin(biochemistry) An anthraquinone compound found in Xanthoria elegans, the elegant sunburst lichen.xanthosis(pathology) A yellowish discolouration of tissues undergoing degeneration.xanthoticExhibiting or relating to xanthosis.xanthoxinAn intermediate in the biosynthesis of the plant hormone abscisic acid.xanthuria(pathology) Synonym of xanthinuria.xanthylic(organic chemistry) Of or pertaining to xanthine.xantusiid(zoology) Any of the family Xantusiidae of night lizards.xbreedingAbbreviation of crossbreeding.xenacanthAny member of the clade Xenacanthiformes of extinct cartilaginous fishes.xenagogue(obsolete, rare) One who guides strangers; a guide or tour guide.xenalipinA drug with potential applications in treating hyperlipidemia.xenavidin(biochemistry) An avidin found in frogs of the genus Xenopusxenelasia(Ancient Greece, historical) Synonym of xenelasy (“the practice of expelling foreigners in Doric Crete and Lacedaemonia”).xenobiont(biology) Any organism found in surroundings, or in association with another organism, in which it is normally absent.xenoblastA crystal forming in a metamorphic rock that has not developed its characteristic crystalline faces and which gets its shape from bordering crystals.xenocidalOf or pertaining to xenocide.xenoclast(geology) A clast having a different origin from the clasts around it.xenocracyGovernment or rule by foreigners.xenocryst(geology) An isolated crystal having a different origin than the igneous rock in which it is found; the mineralogical equivalent of a xenolith.xenodochyReception of strangers; hospitality.xenofobia(non-native speakers' English) Misspelling of xenophobia.xenogamicRelating to xenogamyxenogenicOriginating outside an organism and being introduced.xenograftA tissue graft taken from a species different from that of the recipient.xenographMisspelling of xenograft.xenoheartA heart from an organ donor.xenolaliaThe ability to speak in a language which the individual has not learned.xenolithsplural of xenolithxenoliverA liver from an organ donor.xenologue(genetics) A type of ortholog where the homologous sequences are found in different species because of horizontal gene transfer.xenomaniaA strong or excessive preference for foreigners or for foreign customs, manners, or institutions.xenomeliaThe feeling that one's own limb is foreign, or not one's own.xenomeniaBleeding from another body part instead of normal menstruation, once thought to be a vicarious process but perhaps caused by general weakening of the blood vessels when the ovum is to be ruptured.xenomisia(rare) Hatred of foreign people; prejudice against strangers or foreigners.xenomorphA strange form, an alien creature.xenophagy(entomology) A categorical change in diet, such as a herbivore becoming carnivorous.xenophileA person who has a love of foreign people and culture.xenophilyAlternative form of xenophilia.xenophobeOne who hates or fears strangers or foreigners.xenophobyDated form of xenophobia.xenophone(phonetics) A sound in speech that is not native to the language being spoken; a sound from a foreign language.xenophora(biology) Any mollusk of the genus Xenophora.xenophoreA siderophore used by an organism other than that which produced it.xenophyte(biology) Any plant that was introduced from another geographic location.xenoplasm(cytology) Cytoplasm from a foreign cell.xenosomicRelating to a xenosome.xenotopic(geology) Having anhedral crystalsxenotoxicRelating to xenotoxinsxenotoxinAny toxin that originates outside the target organism.xenotumor(pathology) A tumor that originates from a foreign organism.xenotypicRelating to a xenotypexerapheenAlternative form of xeraphim.xeriphyte(horticulture) Alternative form of xerophyte.xeriscapeA kind of landscape design for arid regions, minimising the need for irrigation.xeriscentRelating to xeriscence.xerochasy(biology) Dehiscence that occurs upon drying.xerocline(ecology) A warm, dry slope.xerocracy(informal) Political influence achieved by copying and distributing leaflets and similar material.xeroderma(pathology) Any of various skin diseases characterised by dry, hard, scaly skin, especially ichthyosis.xerographA photocopy produced by xerography.xeromenia(obsolete, pathology) The absence of menses during a menstrual period.xeromesicBetween xeric and mesic; moderately dry.xeromorphAny plant, with xeromorphic leaves, that is adapted to a dry atmosphere; a xerophyte.xerophageA person or animal that practices xerophagy.xerophagyA restrictive diet (of bread and water, for example) as a punishment or religious form of discipline.xerophileAny xerophilic organism.xerophilyQuality of being xerophilic.xerophobeAny xerophobic organism.xerophyteA desert plantxeroprintTo print by means of xerography.xeroseralOf or pertaining to a xerosere.xerostoma(obsolete) The condition of having a dry mouth.xerostomyAlternative form of xerostomia.xerothermAny xerothermic organism.xeroxablephotocopiablexeroxcopy(rare) Alternative spelling of xerox copy.xeroxloreSynonym of photocopylore (“a kind of folklore comprising humorous material and urban legends that are reproduced on xerox machines (photocopiers)”).xibenololA particular beta blocker.xifengite(mineralogy) A grey metallic hexagonal mineral.ximengite(mineralogy) A trigonal mineral with chemical formula BiPO₄.xinisteriAlternative spelling of xynisteri.xinomavroA red wine grape variety from Macedonia in Greece.xiphoidalxiphoid; sword-shapedxiphonite(mineralogy, obsolete) A scoriaceous amphibole with yellow crystals.xiphosureOne of the Xiphosura, such as a horseshoe crab.xonaltite(mineralogy, rare) A hydrous silicate of calcium, occurring in massive form of a white or bluish‐gray colour.xonotlite(mineralogy) A mineral with the chemical formula Ca₆Si₆O₁₇(OH)₂, found in various colours.xorphanol(pharmacology) An opioid analgesic of the morphinan family.xylematic(biology) Via xylemxylemless(rare) Without a xylem.xylemlikeResembling or characteristic of a xylem.xylidinesplural of xylidinexylindeinA quinone pigment, a dimeric naphthoquinone derivative, responsible for the characteristic bluish-green stain of wood infected by the Chlorociboria aeruginascens mushroom.xylobiose(biochemistry) A disaccharide consisting of two xylose residues.xylocopid(zoology) Any in the family Xylocopidae of carpenter bees, now considered the apid subfamily Xylocopinae.xylogenicRelating to the formation of wood.xylographAn engraving in wood or woodcut, especially one used in printing predating the Western tradition (14th c.).xyloidineAlternative form of xyloidin.xyloidone(organic chemistry) A particular naphthoquinone related to lapachol.xyloketal(biochemistry) The ketal form of a xylose.xylomancyDivination by means of examining or burning pieces of wood.xylometerAn instrument used to determine the specific gravity of wood.xylometryMeasurement of the specific gravity of wood.xylophage(biology) Any living organism that feeds on wood.xylophagyThe eating of wood.xylophene(organic chemistry) pentachlorophenol (when used to preserve wood from boring insects).xylophoneTo play a xylophone or to play something else as though it was a xylophone.xylophyte(botany) Any woody plant.xyloretinA resin obtained from fossil pine wood.xylorimba(music) A pitched percussion instrument corresponding to a xylophone with an extended range.xylosidic(organic chemistry) Relating to or composed of a xyloside.xylosteinA bitter principle obtained from the berries of the fly honeysuckle (Lonicera xylosteum) and formerly used in medicine.xylotomicRelating to xylotomyxylotroph(biology) Any xylotrophic organism.xynisteriA white grape indigenous to the island of Cyprus.xynisteryAlternative spelling of xynisteri.xynomavroMisspelling of xinomavro.xyrospasm(rare) A spasm experienced whilst attempting to use a shaving razor.

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