(biochemistry) any toxic substance that can be found in urine
vexation
vexation
noun
Something that vexes or irritates.
The act of annoying, vexing, or irritating.
The state of being vexed or irritated.
waxplant
waxplant
noun
Alternative form of wax plant
xanthane
xanthane
noun
Archaic form of xanthan.
xanthans
xanthans
noun
plural of xanthan
xanthate
xanthate
noun
(chemistry) Any salt or ester of xanthic acid.
xanthein
xanthein
noun
(chemistry) The water-soluble part of the yellow carotenoid pigment present in the cell sap of some plants.
xanthene
xanthene
noun
(organic chemistry) any of a group of tricyclic heterocycles (dibenzopyrans) that are the basis for a range of dyes such as fluorescein and eosin
xanthian
xanthian
Adjective
Of the city Xanthos (or Xanthus) in ancient Lycia.
Noun
A citizen of Xanthos.
xanthide
xanthide
noun
(dated, organic chemistry) Any derivative of xanthogen
xanthine
xanthine
noun
(chemistry) 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 organs of the body.
xanthins
xanthins
noun
plural of xanthin
xanthism
xanthism
noun
(biology, zoology) A yellowish colouring of pigments in hair, skin, feathers, etc.
xanthite
xanthite
noun
A variety of vesuvianite found in limestone near Amity, New York.
xanthium
xanthoma
xanthoma
noun
(medicine) A small, yellow nodule, rich in cholesterol and other lipids, that occurs in the skin, often near a joint
xanthone
xanthone
noun
(organic chemistry) An aromatic ketone, 9-oxo-xanthene, that is used as an insecticide.
xanthous
xanthous
adj
(archaic, ethnology) Pertaining to people with yellowish, red, auburn, or brown hair.
Yellow-brown; yolk-colored.
xantippe
xenocyst
xenolite
xenolite
noun
(geology) xenolith
xenolith
xenolith
noun
(geology) any piece of rock having a different origin to that of the igneous rock in which it is found
xenotime
xenotime
noun
(mineralogy) A yellow-brown mineral, yttrium phosphate (YPO₄)
xerantic
xerantic
adj
Relating to xeransis
xeronate
xeronate
noun
(chemistry, dated) Any salt of xeronic acid.
xylitone
xylitone
noun
(chemistry) A yellow oil that is a side product of making phorone.