Definition - Words Starting With X

If you're looking for a word definition starting with the letter X then check out our words below.

These are useful for Scrabble and other word games.

x
X chromosome
X ray
x rays
x-axis
X-linked
X-linked dominant inheritance
X-linked gene
X-linked recessive inheritance
X-linked SCID
X-OR circuit
X-radiation
x-rated
X-ray
X-ray astronomy
X-ray diffraction
X-ray film
X-ray machine
X-ray photograph
X-ray photography
X-ray picture
X-ray therapy
X-ray tube
X-raying
X-SCID
Xanax
Xanthamide
xanthate
xanthates
xanthelasma
xanthelasmas
xanthemia
Xanthian
xanthic acid
Xanthide
Xanthidium
Xanthin
xanthine
xanthines
Xanthinine
Xanthium
Xantho-
Xanthocarpous
Xanthochroi
Xanthochroic
Xanthochroid
Xanthochroism
Xanthodontous
Xanthogen
Xanthogenate
Xanthogenic
xanthoma
xanthoma disseminatum
xanthoma multiplex
xanthomas
xanthomatoses
xanthomatosis
Xanthomatous
Xanthomelanous
xanthomonad
xanthomonads
Xanthomonas
Xanthophane
Xanthophyceae
xanthophyl
xanthophyll
xanthophylls
xanthophyls
Xanthopous
Xanthoproteic
Xanthoprotein
xanthopsia
Xanthopuccine
Xanthorhamnin
Xanthorhiza
Xanthorhoea
Xanthorrhoeaceae
Xanthorroea
Xanthose
xanthoses
xanthosis
Xanthosoma
Xanthosoma atrovirens
Xanthosoma sagittifolium
Xanthospermous
xanthous
Xanthoxylene
Xanthoxylum
Xantusiidae
Xavier
xc
xci
xcii
xciii
xciv
xcl
xcv
xcvi
xcvii
xcviii
Xe
Xebec
Xeme
Xenarthra
Xenelasia
Xenicidae
Xenicus
Xenicus gilviventris
Xenium
Xenodochium
Xenodochy
Xenogamy
xenogeneic
xenogeneses
xenogenesis
Xenogenetic
xenograft
xenografts
xenolith
xenoliths
Xenomania
Xenomi
xenon
xenons
Xenophanes
xenophobia
xenophobic
Xenophon
Xenopodidae
Xenopterygii
Xenopus
Xenopus laevis
Xenorhyncus
Xenorhyncus asiaticus
Xenosauridae
Xenosaurus
xenotime
xenotimes
xenotransplant
xenotransplantation
xenotransplantations
xenotransplants
Xenurine
Xenyl
Xenylic
xeranthemum
Xeranthemum annuum
xeranthemums
Xeraphim
Xeres
xeric
Xerif
Xeriff
Xerobates
xeroderma
xeroderma pigmentosum
xerodermas
xerodermia
xerographic
xerographic copier
xerographic printer
xerographies
xerography
xeroma
xeromas
Xeronate
Xeronic
Xerophagy
xerophile
xerophiles
Xerophilous