The fused head and thorax of spiders and crustaceans
cryptoxanthin
cryptoxanthin
noun
(organic chemistry) A xanthophyll pigment (a hydroxy derivative of carotene) that occurs widely in nature.
cytopharynxes
cytopharynxes
noun
plural of cytopharynx
doxographical
doxographical
adj
relating to doxographers
exhibitorship
exhibitorship
noun
The role or status of an exhibitor.
exocataphoria
extractorship
harpaxophobia
hepatorrhexis
hepatorrhexis
noun
(medicine, pathology) A rupture of the liver.
hieracosphinx
hieracosphinx
noun
A mythical beast found in Egyptian sculpture and European heraldry, being a lion with the head of a falcon.
hydroperoxide
hydroperoxide
noun
(organic chemistry) any mono-substituted derivative of hydrogen peroxide - ROOH
hyperorthodox
hyperorthodox
adj
Extremely orthodox.
hyperothodoxy
hyperparoxysm
hyperprosexia
hyperprosexia
noun
(medicine, rare) Excessive attention; an abnormal state in which a person concentrates on one thing to the exclusion of everything else.
hypertoxicity
hypertoxicity
noun
The quality of being hypertoxic.
hypopharynxes
hypopharynxes
noun
plural of hypopharynx
lexicographer
lexicographer
noun
One who writes or compiles a dictionary
lexicographic
lexicographic
adj
Like a dictionary, relating to lexicography (the writing of a dictionary).
nasopharynxes
nasopharynxes
noun
plural of nasopharynx
orthopyroxene
orthopyroxene
noun
(mineralogy) Any pyroxene that forms orthorhombic crystals.
phalacrocorax
phleborrhexis
phylloxeridae
preexhaustion
preexhibition
pyohemothorax
sixpennyworth
sixpennyworth
noun
(dated) A portion worth sixpence.
sternoxiphoid
trachelopexia
trisulphoxide
xanthocarpous
xanthocarpous
adj
(botany) Having yellow fruits.
xanthopicrite
xanthopicrite
noun
(organic chemistry, archaic) A bitter crystalline alkaloid extracted from plants of family Xanthoxylaceae.
xanthoproteic
xanthoproteic
adj
Of or pertaining to xanthoproteic acid or xanthoproteins.
xanthoprotein
xanthoprotein
noun
A protein formed when xanthoproteic acid contacts epithelial cells, indicative of inadequate safety precautions when handling nitric acid.
xenomorphosis
xenomorphosis
noun
(film studies)
xerophthalmia
xerophthalmia
noun
(ophthalmology) A condition due to a deficiency of vitamin A where the conjunctiva and cornea become dry. The condition starts with conjunctival xerosis and night blindness and progresses to corneal xerosis and, later, a severe condition called keratomalacia.
xerophthalmic
xerophthalmic
adj
Of or pertaining to xerophthalmia.
xerophthalmos
xiphiplastron
xiphiplastron
noun
The posterior, or fourth lateral plate in the plastron of a turtle.
