English words: x to xanthopuccin

300 English words, part 1 of 6 of the words starting with X, A to Z. 8 have a page of their own.

English words x to xanthopuccin

x adjective, letter, conjunction, infix, noun, number, prefix, suffix, verb /ɛks/: An unknown quantity or unknown value.
X-aerogel noun: A kind of flexible, porous aerogel that can form a film.
X-ALD noun: Initialism of X-linked adrenoleukodystrophy.
x-axis noun: The axis on a graph that is usually drawn left to right and usually shows the range of values of an independent variable.
x-band noun: An ultrahigh radio frequency, one within the range of 8.0 to 12.0 GHz.
X-bar noun: A phrase, or, equivalently, a node in a syntax tree, which consists either of: (1) an adjunct and another X-bar phrase, (2) a head, X, and an optional...
X-bar theoretic adjective: Pertaining to the X-bar theory.
X-bar theory noun: A theory that posits a common syntactic structure for different lexical categories. Each phrase (XP) is the projection of a head (X) and may optionally...
X boson noun: A hypothetical elementary particle that couples quarks to leptons, analogous to the W boson and Z boson, but corresponding to a new type of force predicted...
X-by-wire noun: Any electronic system that replaces a conventional mechanical system in an automobile.
X-C adjective, noun: Alternative spelling of XC.
x-caboquinho noun: A sandwich consisting of sliced buttered marraqueta bread and other ingredients, typical to the Brazilian state of Amazonas.
x-cat-ik noun /ˈʃkɑtik/: A spicy yellow chili pepper used in Yucatecan cuisine.
X-certificate adjective: Strictly reserved for adult viewing; pornographic.
X-chair noun: A folding chair with an X-shaped frame.
X chromosome noun: A mammalian sex chromosome: in the XY sex-determination system, cells of females typically have a pair of X chromosomes, while cells of males typically have...
X-country adverb, noun: cross-country
X-craft noun: X-class submarine
X-Day noun: Synonym of D-Day (“the date of any major event planned for the future”).
x-direction noun: The direction aligned with the x-axis of a coordinate system.
X disease noun /ˈɛks.dɪ.ziz/: Alternative form of X-disease.
x-div. adjective: Abbreviation of ex dividend.
x-dressing noun: Abbreviation of cross-dressing.
x factor noun: An unknown or hard-to-define influence; a factor with unknown or unforeseeable consequences.
X-Filesy adjective: Of, pertaining to, or characteristic of the paranormal investigation science fiction television series The X-Files.
X-gal noun: 5-bromo-4-chloro-3-indolyl-β-D-galactopyranoside, used to detect β-galactosidase.
x-hat noun: A hi-hat that is part of a secondary pair of hi-hats on a drum kit placed away from the standard pair of hi-hats.
x-height noun: The distance between the baseline and midline in a typeface, typically equal to the height of the lower-case letter x.
X-inactivation noun: Lyonization.
x-ing noun: Alternative form of xing.
x-intercept noun: A root; a zero; a point at which a line crosses the x-axis of a Cartesian grid, where y is 0.
X-irradiate verb: To irradiate with X-rays.
x-irradiation noun: Alternative form of X-irradiation.
X-junction noun: A non-linear strand of DNA where certain cruciform binding proteins can compete for binding.
X-light noun: X-ray radiation
X-linked adjective: Associated with the X chromosome.
X-linked gene noun: Any gene located on the sex chromosomes. Typically, these genes are found on the X chromosome and not on the Y chromosome.
X-linked trait noun: Any trait or characteristic whose appearance or absence in a person is determined by a gene on the sex chromosomes. Typically, these genes are found on the...
x.m. adverb: Used as a placeholder for an unknown or variable meridiem.
X-machine noun: A theoretical computer that operates on some fundamental data type X. It is a structurally the same as a finite-state machine, but each transition...
X mark noun: A symbol composed of two perpendicular lines (✗), especially when representing negation or lack of verification.
X marks the spot phrase: One will find what one is looking for under an obvious sign for it.
X'mas Day noun: Abbreviation of Christmas day.
X'mas tree noun: Abbreviation of Christmas tree.
X-Menesque adjective: Resembling or characteristic of the X-Men or the media associated with them.
X O noun: Synonym of X's and O's.
X organ noun: A cluster of neurosecretory cells located in the eyestalks of crustaceans; it acts as a primary endocrine center that synthesizes and releases hormones...
X Os noun: Synonym of X's and O's.
x out verb: To cross out with a series of the letter X, or with scribbles or lines.
X-outing noun: A style of dance performed to drum and bass music.
x-over noun: Abbreviation of crossover.
X-pack noun: Abbreviation of expansion pack.
X-patent noun: Any of the patents issued by the United States Patent and Trademark Office from July 1790 (its founding) to July 1836. They were destroyed in an apparently...
x-phi noun: Abbreviation of experimental philosophy
X-Phile noun: A fan of the television series The X-Files.
X-plane noun: Any of a series of experimental aircraft and rockets, used to test and evaluate new technologies and aerodynamic concepts.
x-plat adjective: Abbreviation of cross-platform.
x-post noun, verb: Alternative form of xpost.
X Prize noun: A prize, usually a multi-million dollar monetary one, offered for a specific scientific or technological advance.
x-radiate verb: To irradiate with X-rays.
x-radiation noun: Synonym of X-ray radiation.
X-rated adjective: Pornographic or indecent.
x-ray adjective, noun, verb /ˈɛks ɹeɪ/: A ray of short-wavelength electromagnetic radiation usually produced by bombarding a metal target in a vacuum. Used to create images of the internal...
X-ray absorbing glass noun: glass (having a high lead content) that resists the penetration of X-rays and gamma rays
X-ray astronomy noun: An observational branch of astronomy, which deals with the study of X-ray emission from celestial objects.
X-ray binary noun: A binary star system in which one star of the pair is an optically invisible X-ray source.
X-ray crystallography noun: A technique in which the patterns formed by the diffraction of X-rays on passing through a crystalline substance yield information on the lattice structure...
X-ray diffraction noun: The scattering of X-rays by the regular lattice of atoms or molecules in a crystal.
X-ray fish noun: Synonym of X-ray tetra.
X-ray fluorescence noun: The emission of electrons from a material when exposed to X-rays.
X-ray microscope noun: A device that uses soft X-rays to produce images of very small objects.
X-ray photograph noun: radiograph
X-ray pulsar noun: A type of binary star system containing a regular star orbiting a highly magnetized neutron star.
X-ray radiation noun: Electromagnetic radiation consisting of X-rays, radiation in the X-ray spectrum, of shorter wavelength and higher frequency than ultraviolet and longer...
X-ray specs noun: Synonym of X-ray spectacles.
X-ray spectacles noun: Spectacles that allow the wearer to see through solid objects such as walls or clothing.
X-ray spectrometer noun: A device for analyzing the chemical composition of substances using the characteristic spectral lines produced by their interaction with X-rays.
X-ray spectrometry noun: Synonym of X-ray spectroscopy.
X-ray spectroscopy noun: The use of an X-ray spectrometer for chemical analysis.
X-ray spectrum noun: The distribution of X-ray photons emitted by a source, as a function of photon energy or wavelength.
X-ray telescope noun: An instrument that detects X-rays originating from outside the Earth's atmosphere.
X-ray tetra noun: Pristella maxillaris, a fish with a highly transparent body.
X-ray therapy noun: The therapeutic use of controlled doses of X-rays.
X-ray tube noun: A device that produces X-rays by directing energetic electrons into a metal target.
x-ray vision noun: A vision into the X-ray portion of the light spectrum, enabling visibility through certain solid matter.
X-ring noun: A circle in the middle of a shooting target's bullseye used to determine the winner in the event of a tie.
x-risk noun: Initialism of existential risk.
X's and O's noun: tic-tac-toe
X-seam noun: The distance from a person's lower back to the soles of their feet, measured from a sitting position with legs outstretched; used for sizing recumbent...
x-section noun: Abbreviation of cross section.
X-shaped adjective: Shaped like the letter "X".
X-sona noun: An original character created by a fan to represent how they imagine themselves as an X-Men character.
X station noun: A Mexican broadcast station whose signal overpowers those of stations in the United States.
X-stool noun: A simple stool having an X-shaped frame, often one that folds
X-stretcher noun: A pair of flat or curved stretchers, on a chair etc., that often have a knob at the intersection
x-system noun: A convention whereby Esperanto’s circumflex accents (ĉ, ĝ, ĥ, ĵ, ŝ, ŭ) are replaced by an x after the non-diacriticked letter (cx, gx, hx, jx, sx, ux), for...
X-talk noun: Abbreviation of crosstalk.
X′ theoretic adjective: Alternative form of X-bar theoretic
X′ theory noun: Alternative form of X-bar theory.
X-trainer noun: Abbreviation of cross-trainer.
X-tree noun: A data structure based on the R-tree, used for storing data in many dimensions.
X truss noun: A kind of truss shaped like the letter X.
x unit noun: A unit of length (symbol xu) approximately equal to 0.1 picometres, used to quote the wavelength of X-rays and gamma rays.
x video noun: Alternative form of xvideo.
x-wing noun: An aircraft wing design with two wings making an X form in the horizontal plane.
x-word noun: The word xenophobia.
X-Y recorder noun: A device that plots a two-dimensional graph of the relationship between variables.
X17 particle noun: A hypothetical subatomic particle proposed to explain certain anomalous measurements.
XA noun /ɛks eɪ̯/: Initialism of eXperimental Attack.
-xaban suffix /ksə.bæn/: Used to form names of blood coagulation factor Xa inhibitors used as antithrombotics.
XACML noun: Initialism of eXtensible Access Control Markup Language.
xacuti noun /ˈʃɑ.ku.ti/: A Goan curry with a complex mixture of spices including white poppy seeds and large dried red chilis, usually prepared with chicken or lamb.
xacutti noun: Alternative spelling of xacuti.
Xaenorphica noun: A little-known stringed instrument with a keyboard, invented by Carl Leopold Röllig in 1801.
XAI noun: Initialism of explainable artificial intelligence.
Xakas adjective, noun: Alternative form of Khakas.
xalam noun /kɑˈlɑm/: A traditional lutelike string instrument of West Africa.
Xalapa proper noun: A city, the state capital of Veracruz, Mexico. Official name: Xalapa-Enríquez.
Xalda sheep noun: An endangered breed of sheep indigenous to the Asturias province of Northern Spain.
xaliproden noun /zəˈlɪpɹədɛn/: A drug which acts as a 5HT1A agonist, proposed for use in the treatment of several neurodegenerative conditions including Alzheimer's disease.
xallarap noun /ˈzæləræp/: Variation in a gravitational lensing caused by the orbital motion of the observed object.
xalostocite noun: Synonym of rosolite.
xalwo noun: A type of halva, a staple of Somali cuisine, made from sugar, corn starch, cardamon powder, nutmeg powder, ghee, and sometimes peanuts.
Xamir noun: A small ethnic group of Ethiopia, speaking the Xamtanga language.
xamoterol noun: A particular cardiac stimulant drug.
XAMPP proper noun: A cross-platform solution stack consisting of the Apache web server, MariaDB or MySQL database, and Perl and PHP programming languages.
Xan noun: A Xanax tablet.
Xanadu noun /ˈzænəduː/: A place full of beauty, happiness and wonder.
Xanambre noun: Alternative form of Janambre.
Xanatos proper noun /ˈzænəˌtɑs/: A male given name used in modern fiction.
Xanatos gambit noun: A subtle plan (usually villainous) that cannot be foiled, such that attempts to defeat it actually further its creator's goals.
Xanax proper noun /ˈzæn.æks/: A brand name for alprazolam.
Xanaxed adjective: Under the influence of the drug Xanax.
xanchromatic adjective: Having a yellow colour.
XAND noun: XNOR, a logic gate.
xandemic noun /zænˈdɛmɪk/: A period of time in the mid 2010s associated with widespread abuse of Xanax, an anti-anxiety medication, by teenagers in the United States.
Xander proper noun /ˈzæn.dɚ/: A diminutive of the male given name Alexander, from Ancient Greek, of modern usage.
Xanderista noun: A fan of the character Xander Harris from the television series Buffy the Vampire Slayer.
Xandra proper noun: A female given name from Ancient Greek of modern usage, a short form of Alexandra.
Xandria proper noun: A female given name, variant of Alexandra.
xanith noun: Alternative form of khanith.
xanned adjective: Under the influence of or impaired by Xanax.
xanny noun: Xanax.
xanol noun: A sodium salicylate preparation used as an antirheumatic.
xanomeline noun: A muscarinic acetylcholine receptor agonist with reasonable selectivity for the M1 and M4 subtypes, possibly useful in treating Alzheimer's disease and...
xanorphica noun: A kind of musical instrument, resembling a harmonichord and a tetrachordon.
xanoxic acid noun: A particular antiallergic drug.
Xanten proper noun /ˈsʌntən/: A town in North Rhine-Westphalia, Germany.
xanth- prefix: Alternative form of xantho- before a vowel
xanthaemia noun: Alternative spelling of xanthemia.
xanthaline noun: Synonym of papaveraldine.
xantham noun: Alternative form of xanthan.
xanthamide noun: The amide of xanthic acid.
xanthan noun: A polysaccharide, consisting of galactose and mannose residues, produced by the bacterium Xanthomonas campestris
xanthan gum noun: A natural gum, produced by the fermentation of sugars by the bacterium Xanthomonas campestris; used as a food additive.
xanthanol noun: Synonym of xanthydrol.
xanthanolide noun: Any of several glycosides containing xanthan.
xanthate noun /ˈzænθeɪt/: Any salt or ester of xanthic acid.
xanthatin noun: The sesquiterpenoid xanthanolide...
xanthation noun: Conversion into a xanthate.
xanthaurine noun: The aglycone of quercitrin.
Xanthe proper noun /ˈzænθi/: A female given name from Ancient Greek.
xanthein noun /ˈzænθiːn/: The water-soluble part of the yellow carotenoid pigment present in the cell sap of some plants.
xantheine noun: Alternative form of xanthein.
xanthelasma noun /zænθɪˈlæzmə/: A deposit of cholesterol on the eyelid.
xanthelasmic adjective: Exhibiting or relating to xanthelasma.
xanthelasmoidea noun: A disease resembling xanthelasma, which leaves yellowish or brownish patches on the skin.
xanthematin noun: A yellow pigment formed by the action of nitric acid on haematin.
xanthemia noun: The occurrence of yellow matter in the blood.
xanthene noun /ˈzænθin/: Any of a group of tricyclic heterocycles (dibenzopyrans) that are the basis for a range of dyes such as fluorescein and eosin.
xanthene dye noun: Any of a group of brilliant fluorescent yellow to pink to bluish red dyes characterized by the presence of the xanthene nucleus, known sometimes in...
xanthenic adjective: Pertaining to, or derived from, xanthene.
xanthenone noun: The compound 9-oxo-xanthene that is the basis of many natural products and insecticides
xanthenyl noun: A radical derived from xanthydrol, C₁₃H₁₀O⁺.
Xanthi proper noun: A city in Thrace, northeastern Greece.
Xanthian adjective, noun /ˈzæn.θi.ən/: Of the city Xanthos (or Xanthus) in ancient Lycia.
xanthic adjective /ˈzænθɪk/: Of a yellowish colour.
xanthic acid noun: any of a class of organic sulphur-containing acids of general formula ROCS₂H
xanthid noun: Any crab in the Xanthidae.
xanthide noun: Any derivative of xanthogen.
xanthidylic adjective: Relating to xanthidylic acid or its derivatives
xanthidylic acid noun: xanthosine monophosphate
xanthin noun: Alternative spelling of xanthine.
xanthine noun /ˈzanθiːn/: Any of a group of alkaloids that include caffeine, theophylline, and theobromine as well as the parent compound, a precursor of uric acid found in many...
xanthine oxidase noun: A crystallizable flavoprotein enzyme containing iron and molybdenum that promotes the oxidation especially of hypoxanthine and xanthine to uric acid and of...
xanthinic adjective: Of or relating to xanthine.
xanthinin noun: Alternative form of xanthinine.
xanthinine noun: A poorly-characterised material, related to urea and uric acid, that forms yellow salts, and exhibits a blue fluorescence.
xanthinol noun /ˈzænθɪnɒl/: A drug prepared from theophylline, used as a vasodilator.
xanthinosin noun: The sesquiterpenoid xanthanolide (3~{a}~{R},7~{S},8~{a}~{S})-7-methyl-3-methylidene-6-(3-oxobutyl)-4,7,8,8~{a}-tetrahydro-3~{a}~{H}-cyclohepta[b]furan-2-one...
xanthinoxidase noun: Alternative form of xanthine oxidase.
xanthinuria noun: An abnormally high level of xanthine in one's urine.
xanthinuric adjective: Relating to, or exhibiting, xanthinuria.
xanthiol noun: A saturated thioxanthene preparation.
xanthione noun: The thione analog of xanthine, 9H-xanthene-9-thione
xanthiosite noun: A phosphate mineral first discovered in Germany in 1858.
Xanthippic adjective: Of or pertaining to Xanthippe (wife of Socrates)
xanthism noun: A yellowish colouring of pigments in hair, skin, feathers, etc.
xanthitane noun /ˈzænθɪteɪn/: A yellow fibrous earthy material that is an aluminium titanite.
xanthite noun: A variety of vesuvianite found in limestone near Amity, New York.
xanthiuria noun: Dated form of xanthinuria.
xanthization noun: The action of becoming yellow, typically by the accumulation of hematite.
xantho- prefix: yellow
xanthoangelol noun: A chalcone, found in Angelica keiskei, that induces apoptosis.
xanthoastrocytoma noun: A normally benign form of astrocytoma.
xanthobaccin noun: An antifungal compound produced by certain bacterial strains.
xanthobacter noun: Any of the genus Xanthobacter of gram-negative bacteria.
xanthoblast noun: A cell that differentiates into a xanthophore.
xanthocarpous adjective: Having yellow fruits.
xanthochroi noun: A division of the human population having fair skin and wavy blond hair.
xanthochroia noun: A condition characterized by yellow patches on the skin.
xanthochroic adjective /zænθəˈkɹəʊɪk/: pertaining to people or races with light hair and pale complexions
xanthochroid adjective, noun /zænˈθəʊkɹɔɪd/: Pertaining to the Xanthochroi; having fair hair and a pale complexion.
xanthochroism noun /ˌzænθəˈkɹəʊ.ɪzəm/: Alternative form of xanthochromism.
xanthochromatic adjective: xanthochromic
xanthochrome noun: A yellow pigment.
xanthochromia noun: The yellowish appearance of cerebrospinal fluid that accompanies certain conditions, especially subarachnoid hemorrhage.
xanthochromic adjective: Having a yellow colour
xanthochromism noun /ˌzænθəˈkɹəʊmɪzəm/: Abnormal yellow colouration.
xanthochromistic adjective: Exhibiting xanthochromism.
xanthochroous adjective: Yellow‐skinned; of or pertaining to Xanthochroi.
xanthochymol noun: An antibacterial compound found in Garcinia xanthochymus.
xanthocillin noun: Alternative form of xantocillin.
xanthocobalt noun: Synonym of nitritopentamminocobalt.
xanthocobaltic adjective: Derived from or containing xanthocobalt.
xanthocone noun: Synonym of xanthoconite.
xanthoconite noun: A mineral containing silver, arsenic, and sulphur.
xanthocreatinin noun: Alternative form of xanthocreatinine.
xanthocreatinine noun: The organic compound with chemical formula C₅H₁₀N₄O, related to creatinine.
xanthocyanopia noun: Color blindness in which red and green cannot be distinguished.
xanthocyanopsia noun: A form of color blindness in which red cannot be distinguished from green, but only blue from yellow.
xanthoderm noun: One who is afflicted by xanthoderma.
xanthoderma noun: A yellow coloration of the skin.
xanthodermic adjective: Having yellowish skin.
xanthodont noun: A person who has yellow teeth.
xanthodontous adjective: Having yellow teeth.
xanthoepocin noun: An antifungal antibiotic found in Penicillin species.
xanthofulvin noun: A complex xanthone related to vinaxanthone.
xanthogalenol noun: The chalcone 3'-prenyl-4,2',6'-trihydroxy-4'-methoxychalcone
xanthogen noun: Formerly, a hypothetical radical supposed to be characteristic of xanthic acid.
xanthogenamide noun: Synonym of xanthamide.
xanthogenate noun: xanthate
xanthogenic adjective: Producing a yellow colour
xanthogenic acid noun: An acid, CS₂C₂H₅OH, formed from the decomposition of potassic xanthogenate.
xanthogranuloma noun: A form of histiocytosis with yellowish lesions.
xanthogranulomatous adjective: Relating to xanthogranulomata.
xanthogranulomatous pyelonephritis noun: An uncommon, severe form of chronic pyelonephritis characterized by granulomatous inflammation, abscess formation, and extensive renal parenchymal...
xanthohumol noun: A prenylated chalconoid from hops and beer, with a range of biological properties and potential therapeutic utility.
xanthokreatinin noun: Alternative form of xanthocreatinine.
xanthokyanopy noun: Alternative form of xanthocyanopia.
xantholeucoblast noun: A leucoblast associated with xanthophores.
xantholeucophore noun: A leucophore arising from a xanthophore.
xantholiniform adjective: Pertaining or relating to the genus Xantholinus.
xantholysin noun: Any of a group of antimicrobial and antifungal lipopeptide present in Pseudomonas
xanthoma noun /zænˈθoʊmə/: A small, yellow nodule, rich in cholesterol and other lipids, that occurs in the skin, often near a joint
xanthomatosis noun: A disorder in which excess lipid accumulates in the body and produces xanthomas
xanthomatotic adjective /ˌzænθəməˈtɒtɪk/: Of or pertaining to xanthomatosis.
xanthomatous adjective: Of or relating to xanthoma or xanthomatosis.
xanthomegnin noun: A quinone pigment obtained from a fungus.
Xanthomelanoi noun: The xanthomelanous division of the human population.
xanthomelanous adjective: Having yellow, brown, or olive skin and black hair.
xanthometer noun: A graduated scale of colors from blue to yellow, white, or green, for determining the color of ocean or lake water.
xanthommatin noun: A yellow ommochrome found in the wings of lepidoptera.
xanthommatine noun: Alternative form of xanthommatin.
xanthomonad noun: Any of the genus Xanthomonas of proteobacteria.
xanthomonadin noun: Any of a class of yellow pigments present in the protobacterium Xanthomonas.
xanthomous adjective: Of or pertaining to a xanthoma.
xanthomyeloma noun: A lipid-filled myeloma associated primarily with tendon sheaths.
xanthone noun /ˈzæn.θoʊn/: An aromatic ketone, 9-oxo-xanthene, that is used as an insecticide.
xanthonoid noun: A phenolic compound having a xanthone backbone; many derivatives of this compound that occur in nature, and are biologically active
xanthonoxypropanolamine noun: Any propanolamine derived from a xanthon; they show antihypertensive activity
xanthonychid noun: Any snail in the family Xanthonychidae.
xanthopathy noun: Xanthochromia.
xanthophane noun: The yellow form of chromophane.
xanthophile noun: Alternative form of xanthophil.
xanthophobia noun /zæn.θəˈfoʊ.bi.ə/: Fear of the colour yellow.
xanthophore noun: A xanthochrome-containing chromatophore, frequently a lipophore.
xanthophycean adjective: Relating to Xanthophyceae
xanthophyl noun: Dated spelling of xanthophyll.
xanthophyll noun: Any of various hydroxy, carbonyl or carboxylic acid derivatives of carotenes.
xanthophyllic adjective: Of or pertaining to xanthophyll.
xanthophyllite noun: A synonym of clintonite. The International Mineralogical Association's Commission on New Minerals, Nomenclature and Classification (CNMNC) recommends using...
xanthophyllous adjective: Of or relating to xanthophyll.
xanthophyte noun: Any yellow-green alga (of the class Xanthophyceae).
xanthopia noun: A visual disorder in which things appear yellowish.
xanthopicrin noun: A bitter principle obtained from the bark of Zanthoxylum clava-herculis.
xanthopicrine noun: Alternative form of xanthopicrin.
xanthopicrite noun: A bitter crystalline alkaloid extracted from plants of family Xanthoxylaceae.
xanthoplanine noun: The alkaloid (6aS)-1,2,10-trimethoxy-6,6-dimethyl-5,6,6a,7-tetrahydro-4H-dibenzo[de,g]quinolin-6-ium-9-ol
xanthoproteate noun: Any salt or ester of xanthoproteic acid.
xanthoproteic adjective: Of or pertaining to xanthoproteic acid or xanthoproteins.
xanthoproteic acid noun: A non-crystallizable yellow substance derived from proteins upon treatment with nitric acid.
xanthoprotein noun: A protein formed when xanthoproteic acid contacts epithelial cells, indicative of inadequate safety precautions when handling nitric acid.
xanthoproteinic adjective: Alternative form of xanthoproteic.
xanthopsia noun: A visual defect, a form of chromatopsia in which everything appears yellow.
xanthopsin noun: Visual yellow; any of a form of visual purple that has been bleached by exposure to light.
xanthopsydracia noun /ˌzænθɒpsaɪˈdɹeɪʃ(i)ə/: A condition characterized by the occurrence on the skin of small yellow pustules.
xanthopterin noun: A yellow crystalline solid that occurs mainly in the wings of butterflies and in the urine of mammals, converted by microorganisms into folic acid.
xanthopterine noun: Alternative form of xanthopterin.
xanthopuccin noun: A supposed alkaloid related to berberine, possibly just an impure form of it.

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0): each word's first meaning. A word with a page of its own links to it; for the rest, this line is PlainSpell's entry. Total under X: 1,525 words, in 6 parts.