A specimen of the species Archaeopteryx lithographica, being the earliest and most primitive known bird, representing a transition in the evolution of dinosaurs to birds.
asphyxiation
asphyxiation
noun
An acute lack of oxygen.
Death due to lack of oxygen.
auxotrophies
auxotrophies
noun
plural of auxotrophy
cephalotaxus
chartophylax
chartophylax
noun
(historical) An ecclesiastical officer in charge of official documents and records in the Greek Orthodox Church in Byzantine times.
costoxiphoid
costoxiphoid
adj
(anatomy) Relating to a rib and a xiphoid process
esothyropexy
executorship
executorship
noun
the office or position of an executor
exophthalmia
exophthalmia
noun
(medicine) The protrusion of an eyeball so that the eyelids will not cover it, as a consequence of disease.
exophthalmic
exophthalmic
adj
Having prominent eyeballs.
Of, or relating to exophthalmos.
exophthalmos
exophthalmos
noun
(pathology) An abnormal protrusion of the eyeball from its socket.
exophthalmus
exophthalmus
noun
Alternative form of exophthalmos
hapaxanthous
hapaxanthous
adj
Being or relating to a hapaxanth.
heptahydroxy
heptahydroxy
noun
(organic chemistry, in combination) seven hydroxy groups. (OH)₇
heteroduplex
heteroduplex
noun
(biochemistry) A nucleic acid composed of two chains with each derived from a different parent molecule
verb
To form such a compound by genetic recombination
hexapetaloid
hexapetalous
hexapetalous
adj
(botany) Having six petals.
hyperothodox
hypocathexis
hypotoxicity
hypotoxicity
noun
The condition of being hypotoxic
hypoxanthine
hypoxanthine
noun
(organic chemistry) A bicyclic heterocycle, 3,7-dihydropurin-6-one, that is an intermediate in the biosynthesis of uric acid.
hysteropexia
oxynaphthoic
oxyphosphate
pentahydroxy
pentahydroxy
noun
(organic chemistry, in combination) Five hydroxy groups in a molecule.
philorthodox
photoexcited
photoexcited
adj
(chemistry, physics) (of an atom, molecule or ion) excited due to photoexcitation
verb
simple past tense and past participle of photoexcite
photooxidize
photooxidize
verb
To oxidize photochemically
phycoxanthin
phycoxanthin
noun
(dated) A yellowish colouring matter found in certain algae.
phyllopteryx
phyllotaxies
phyllotaxies
noun
plural of phyllotaxy
phytoalexins
phytoalexins
noun
plural of phytoalexin
pneumothorax
pneumothorax
noun
(medicine) Presence of air inside the pleural cavity, usually caused by injury either to the lung or the chest wall.
posthexaplar
preexhibitor
retroxiphoid
saxophonists
saxophonists
noun
plural of saxophonist
streptothrix
streptothrix
noun
(biology) Any of the genus Streptothrix of bacilli, occurring in the form of long, smooth and apparently branched threads, either straight or twisted.
strophotaxis
sulphoxylate
sulphoxylate
noun
Alternative form of sulfoxylate
thixotropies
toxicopathic
toxicopathic
adj
That causes disease etc. by means of a poison
toxicophidia
toxicophobia
toxicophobia
noun
A morbid fear of poisons or being poisoned.
toxophilites
toxophilites
noun
plural of toxophilite
toxophilitic
toxophilitic
adj
Relating to archery.
trisulphoxid
trophallaxes
trophallaxes
noun
plural of trophallaxis
trophallaxis
trophallaxis
noun
(biology) The mutual exchange of (fluid) food between individuals, especially in social insects.
trophothylax
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.
xenophontean
xenophontean
Adjective
Of or pertaining to Xenophon (c. 431–355 BC), a Greek soldier and admirer of Socrates, or his writings.
