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.
carbomethoxy
carbomethoxy
noun
(organic chemistry, in combination) A methyl ester of a carboxylic acid when used as a substituent -CO₂-CH₃
citharexylum
erythroxylon
erythroxylum
esothyropexy
exhilaratory
exhilaratory
adj
Causing exhilaration.
exothermally
exothermally
adv
In an exothermal manner
heptahydroxy
heptahydroxy
noun
(organic chemistry, in combination) seven hydroxy groups. (OH)₇
hexahydrated
hexahydrated
adj
Converted to a hexahydrate
hexahydrates
hexahydrates
noun
plural of hexahydrate
hexangularly
hexangularly
adv
In a hexangular manner.
hydroextract
hydroxylases
hydroxylases
noun
plural of hydroxylase
hydroxylated
hydroxylated
adj
(organic chemistry) That has been modified by hydroxylation
verb
simple past tense and past participle of hydroxylate
hydroxylates
hydroxylates
verb
Third-person singular simple present indicative form of hydroxylate
hydroxyureas
hydroxyureas
noun
plural of hydroxyurea
hydroxyzines
hydroxyzines
noun
plural of hydroxyzine
hyperanxious
hyperanxious
adj
Very anxious
hypercomplex
hypercomplex
adj
(mathematics) Describing any of several types of higher-dimensional numbers having some characteristics of complex numbers.
noun
(mathematics) A hypercomplex number.
hyperexcited
hyperexcited
adj
Very highly excited.
hyperextends
hyperextends
verb
Third-person singular simple present indicative form of hyperextend
hyperflexion
hyperflexion
noun
Excessive flexion of a joint.
hyperothodox
hyperpyrexia
hyperpyrexia
noun
(medicine) An excessive and unusual elevation of set body temperature greater than or equal to 41°C (105.8°F), or extremely high fever.
hypoprosexia
hysteropexia
karyorrhexis
karyorrhexis
noun
The destructive fragmentation of the nucleus of a dying cell whereby its chromatin is distributed irregularly throughout the cytoplasm.
lexicography
lexicography
noun
(countable) A dictionary, a lexicon, a wordbook.
(uncountable) The art or craft of compiling, writing, and editing dictionaries.
(uncountable, linguistics) The scholarly discipline of analysing and describing the semantic, syntagmatic and paradigmatic relationships within the lexicon (vocabulary) of a language and developing theories of dictionary components and structures linking the data in dictionaries.
methoxychlor
methoxychlor
noun
(organic chemistry) A synthetic organochlorine used as an insecticide.
neoorthodoxy
oropharynxes
oxyosphresia
pentahydroxy
pentahydroxy
noun
(organic chemistry, in combination) Five hydroxy groups in a molecule.
phyllopteryx
propoxyphene
propoxyphene
noun
Dextropropoxyphene.
psychoreflex
pyxidanthera
tetrahydroxy
tetrahydroxy
noun
(organic chemistry, in combination) Four hydroxy groups in a molecule