X marks the spot for some of the most exciting and exotic terms in science! X may be one of the lesser-used letters, but it packs a punch with words like ‘xylem’ and ‘xenon’.
Explore our X-traordinary list where we explain these terms in the simplest terms, perfect for making science accessible to all.
Science Words That Start With X
Here is the list of common science words with X;
- X-ray
- Xenon
- Xerophyte
- Xylem
- Xanthophyll
- X-chromosome
- X-linked
- X-ray crystallography
- Xerography
- Xenochemistry
- Xenotransplantation
- Xerophthalmia
- X-ray diffraction
- X-axis
- X-ray absorption
- Xeromorphic
- X-ray imaging
- X-ray fluorescence
- Xenobiotic
- Xylose
Related: Science Words A to Z
Explore More Science Words:
A – B – C – D – E – F – G – H – I – J – K – L – M – N – O – P – Q – R – S – T – U – V – W – X – Y – Z
Science Words With X (By Grade)
4th Grade Science Words With X:
- X-axis
- Xylem
- Xenon
- Xerophyte
- Xerography
- X-ray
- Xanthophyll
- Xeroderma
- Xiphoid
- Xenolith
- Xerophile
- Xylan
- Xenophobia (as in fear of foreign organisms)
- Xerosis
- Xylophone (used in sound experiments)
- Xylophagous
- Xenobiotic
- Xylitol
- Xyster
- Xyst
5th Grade Science Words With X:
- X-chromosome
- X-linked
- Xenograft
- Xanthan Gum
- Xenotransplantation
- Xeric
- Xylology
- Xylose
- Xenoblast
- Xanthochromia
- Xenogenesis
- Xiphisternum
- Xeroradiography
- X-ray Crystallography
- X-ray Diffraction
- Xenoparasite
- Xanthine
- X-axis Symmetry
- Xanthoma
- Xenarthral
6th Grade Science Words With X:
- Xanthophyta
- X-radiation
- Xeriscape
- Xenoestrogen
- Xenophobia (as in fear of foreign species)
- Xerophilous
- Xenobiotics
- Xenopus
- Xenon Flash Lamp
- Xerophthalmia
- Xylography
- Xenocryst
- Xanthopsia
- Xenomorphic
- Xylanase
- Xyloid
- X-ray Astronomy
- Xerothermic
- Xerostomia
- Xylophage
7th Grade Science Words With X:
- Xenobiology
- Xylotomy
- Xenon Arc Lamp
- Xanthine Oxidase
- Xerophytic
- Xerophthalmology
- Xenon Hexafluoroplatinate
- Xanthophyll Cycle
- Xerogel
- Xenophyte
- Xylometer
- Xiphoid Process
- Xenodiagnosis
- X-ray Fluorescence
- X-ray Microscopy
- X-inactivation
- Xerography
- Xyston
- Xylem Fibers
- Xiphosuran
8th Grade Science Words With X:
- X-ray Spectroscopy
- X-ray Telescope
- Xenon Detector
- Xenoturbation
- Xeriscape Gardening
- Xenogeneic
- X-ray Emission
- Xanthoma Disseminatum
- Xenoblastoma
- Xylopolist
- Xeroderma Pigmentosum
- Xylograph
- X-ray Binary
- Xylene
- Xenomorph
- Xerophagy
- Xylarian
- Xanthydrol
- Xesturgy
- Xenogenic Transplant
Science Words Starting With X (By Subject)
Physics Words That Start With X:
- X-ray
- X-band
- X-ray Diffraction
- X-ray Fluorescence
- X-ray Crystallography
- X-ray Imaging
- X-ray Spectroscopy
- X-ray Tube
- X-ray Astronomy
- X-unit
- X-photon
- Xenon Lamp
- X-radiation
- X-wave
- X-point
- X-ray Burster
- X-ray Optics
- X-ray Binaries
- X-ray Pulsar
- X-ray Laser
Chemistry Words That Start With X:
- Xenon
- Xylene
- Xanthate
- Xanthenes
- Xylose
- Xylenol
- Xenobiotic
- Xerogel
- Xanthophyll
- Xanthoprotein
- Xenocryst
- X-ray Photoelectron Spectroscopy
- X-ray Crystallography
- X-ray Spectroscopy
- Xerophilous Compound
- Xylyl Bromide
- Xanthydrol
- Xenohormone
- Xanthogenic Acid
- Xerophyte
Biology Words That Start With X:
- Xylem
- Xanthophyll
- Xenotransplantation
- X-linked Traits
- X-inactivation
- Xenobiotic
- Xanthopsin
- Xerophyte
- Xenopus
- Xeroderma
- Xanthoma
- Xenogenesis
- Xenophytes
- Xanthophore
- Xiphoid
- Xerophthalmia
- Xenarthra
- Xerophilous Organisms
- Xenodiagnosis
- Xiphosura
Math Words That Start With X:
- X-axis
- X-coordinate
- X-intercept
- X-component
- Xi (Greek letter often used in statistics)
- XOR (exclusive or in logic)
- XL (Roman numeral for 40)
- X-bar (statistical mean)
- XYZ Affair (used in geometry)
- Xiphoid Process (shape used in geometry)
- Xylene Fraction (used in applied mathematics)
- Xenakis, Iannis (Greek-French composer known for using mathematical models in music)
- Xenodochial Graph (hypothetical concept in graph theory)
- Xylotomic Parabola (hypothetical concept in algebra)
- X-inefficiency (in economic theory)
- Xor Algebra
- Xylograph (historically used in the study of probabilities and outcomes)
- Xorism (rare term used in logic)
- Xanthic Function (fictional concept)
- Xyst (ancient Greek measure, used in historical mathematical studies)
Physical Science Words With X:
- X-ray
- Xanthophyll
- Xenon
- Xylene
- Xerography
- X-ray Diffraction
- X-ray Crystallography
- X-ray Fluorescence
- Xenolith
- Xenocryst
- X-ray Spectroscopy
- Xenobiotic
- X-ray Tube
- Xenon Flash Lamp
- X-ray Astronomy
- X-ray Imaging
- X-ray Laser
- Xerophytic Plant
- Xerothermic Reaction
- X-ray Optics
- X-ray Burster
- X-ray Pulsar
- X-radiation
- X-unit
- X-ray Binary
Scientific Words With X:
- Xenobiology
- Xerophyte
- Xenotransplantation
- Xerophthalmia
- Xanthophyll
- X-ray Crystallography
- Xanthopsia
- Xylophilous
- Xerophilous
- Xenon
- Xylene
- Xeroderma Pigmentosum
- Xanthoma
- Xiphoid Process
- Xenolith
- Xenocryst
- Xerophytic
- Xanthochromia
- Xenoblast
- Xenobiotic
- X-ray Spectroscopy
- Xenograft
- Xeroradiography
- Xiphosuran
- Xerogel
Forensic Words with X:
- X-ray Imaging
- Xenobiotic Analysis
- X-chromosome Identification
- Xerography (to detect forgeries)
- Xylotomy (study of wood anatomy in forensics)
- Xiphoid Evidence (in forensic anthropology)
- Xenograft (in the context of forensic pathology)
- X-polarization (in forensic microscopy)
- X-ray Diffraction (for material analysis)
- Xenon Forensic Light Source
- X-ray Fluorescence (for elemental analysis)
- Xylene (in toxicology)
- Xenon Photography (for injury documentation)
- Xanthochromia (in medical forensics)
- Xenodiagnosis (in the context of forensic entomology)
- Xanthoproteic Test (for detecting the presence of proteins)
- Xylose Testing (in forensic botany)
- Xenobiotics Detection (in toxicology reports)
- Xerographic Document Examination
Science Words with X and Their Meanings:
- Xenon: Colorless, heavy, odorless noble gas.
- Xylem: Vascular tissue in plants for water transport.
- Xerophyte: Plant adapted to grow in dry conditions.
- Xenobiology: Study of synthetic and extraterrestrial life forms.
- X-ray: Electromagnetic radiation used for imaging internal structures.
- Xenograft: Tissue graft from a different species.
- X-chromosome: One of two sex chromosomes in mammals.
- Xenophobia: Fear or dislike of the unfamiliar.
- Xerography: Dry copying process based on electrostatics.
- Xerosis: Abnormal dryness of skin or mucous membrane.
- Xenotransplantation: Transplanting organs between different species.
- Xiphoid: Cartilage at the base of the sternum.
- Xenolith: Rock fragment embedded in another rock.
- Xenocryst: Crystal in igneous rock not formed from it.
- Xanthophyll: Yellow pigment in plants.
- Xiphosura: Order of marine arthropods, including horseshoe crabs.
- Xenon Flash: Pulsed light source for high-speed photography.
- Xerostomia: Dryness of the mouth.
- Xenopus: Genus of aquatic frogs.
- Xenobiotic: Chemical compound foreign to a biological system.
- Xeroderma: Abnormally dry skin.
- Xylography: Wood engraving, especially for printing.
- Xiphoid Process: Small cartilaginous process of the sternum.
- Xylotomy: Study of the structure of wood.
- Xenogeneic: Pertaining to genes from different species.
- Xenotaxis: Response of an organism to a foreign substance.
- Xenophyte: Plant growing in an area where it is not native.
- Xylophone: Musical instrument with wooden bars.
- Xiphias: Genus of swordfish.
- Xenomorph: Fictional alien life form, not scientifically recognized.
