(biology) The mutual exchange of (fluid) food between individuals, especially in social insects.
trophothylax
unexhaustion
unexhaustive
unexhaustive
Adjective
Not exhaustive
unorthodoxly
unorthodoxly
adv
In an unorthodox manner, unconventionally.
xanthelasmic
xanthelasmic
adj
Exhibiting or relating to xanthelasma.
xanthochroia
xanthochroia
noun
(pathology) A condition characterized by yellow patches on the skin
xanthochroic
xanthochroic
adj
pertaining to people or races with light hair and pale complexions
xanthochroid
xanthochroid
adj
(anthropology) Pertaining to the Xanthochroi; having fair hair and a pale complexion.
noun
(anthropology) A member of the Xanthochroi.
xanthoconite
xanthoconite
noun
(mineralogy) A mineral containing silver, arsenic, and sulphur.
xanthogenate
xanthogenate
noun
xanthate
xanthomatous
xanthomatous
adj
Of or relating to xanthoma or xanthomatosis.
xanthophylls
xanthophylls
noun
plural of xanthophyll
xanthopicrin
xanthopicrin
noun
(organic chemistry) A bitter principle obtained from the bark of Zanthoxylum clava-herculis.
xanthopterin
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.
xanthorrhiza
xanthorrhoea
xanthorrhoea
noun
(botany) Any of the genus Xanthorrhoea of grass trees.
xanthoxenite
xanthoxenite
noun
(mineralogy) A dull brown or yellow triclinic mineral.
xenacanthine
xenacanthini
xenophontean
xenophontean
Adjective
Of or pertaining to Xenophon (c. 431–355 BC), a Greek soldier and admirer of Socrates, or his writings.
xenophontian
xenophontine
xerophthalmy
xerophthalmy
noun
Alternative form of xerophthalmia
xerophytisms
xiphiplastra
xiphiplastra
noun
plural of xiphiplastron
xiphisternal
xiphisternal
adj
Of or relating to the xiphisternum.
xiphisternum
xiphisternum
noun
(biology, medicine) Synonym of xiphoid process
xiphosternum
xiphosternum
noun
(rare) Alternative form of xiphisternum
xylophonists
xylophonists
noun
plural of xylophonist
zooxanthella
zooxanthella
noun
(archaic) Any of the yellow pigmentary particles, or minute corpuscles of yellow coloring matter, found in certain radiolarians.
Any of various typically yellow-brown dinoflagellates (originally grouped as genus Zooxanthella) now assigned to the genera Symbiodinium and Amphidinium, notably found in coral reefs.