The study of spined things, in particular sea urchins, and the resultant impact on taxonomy.
accessorily
accessorily
adv
In the manner of an accessory; auxiliarily.
acclamatory
acclamatory
adj
Pertaining to, or expressing approval by, acclamation.
accordantly
accordantly
adv
In accordance or agreement; agreeably; conformably.
accordingly
accordingly
adv
(conjunctive) In natural sequence; consequently; so.
(manner) Agreeably; correspondingly; suitably
accountably
accountably
adv
In an accountable manner.
accountancy
accountancy
noun
(countable, accounting) A company or organisation that performs such a function.
(uncountable, Britain, New Zealand, often Philippines, accounting) The function of compiling and providing financial information primarily by reports referred to as financial statements, including bookkeeping, systems design, analysis and interpretation of accounting information.
acesodynous
acetopyrine
acetopyrine
noun
(medicine) An acetylsalicylate of antipyrine
acetylation
acetylation
noun
(organic chemistry) The reaction of a substance with acetic acid or one of its derivatives; the introduction of one or more acetyl groups into a substance.
acetylsalol
achromacyte
achromacyte
noun
(cytology) Any cell that lacks its normal pigmentation (especially an erythrocyte that has ruptured and lost its haemoglobin)
acidulously
acidulously
adv
In an acidulous manner; in a mildly sour or acid way.
acrocephaly
acrocephaly
noun
The condition of suffering from a pointed skull.
acrodactyla
acromyodian
acromyodian
noun
Any passerine songbird of the former taxon Acromyodi
acromyodous
acromyodous
adj
Synonym of acromyodic
acronically
acronycally
acronycally
adv
In an acronycal manner; rising when the sun sets, and vice versa.
acronychous
acronyctous
acronyctous
adj
(astronomy) acronycal
acronymized
acronymized
verb
simple past tense and past participle of acronymize
acropetally
acropetally
adv
In an acropetal manner.
actinometry
actinometry
noun
the measurement of the chemical or actinic energy of light
the measurement of the heating power of electromagnetic radiation, especially that of solar radiation
actinomyces
actinomyces
noun
A bacterium (species) of the genus Actinomyces.
actinomycin
actinomycin
noun
(biochemistry, pharmacology) Any of a class of toxic polypeptide antibiotics found in soil bacteria of genus Streptomyces.
actinophrys
actinoscopy
actinoscopy
noun
(medicine, archaic) Radiology; examination by means of an X-ray machine.
actomyosins
actomyosins
noun
plural of actomyosin
adolescency
adolescency
noun
adolescence
adrenolytic
adrenolytic
adj
(biochemistry) That inhibits the production or function of adrenaline
aerobically
aerobically
adv
In an aerobic manner.
aerodynamic
aerodynamic
adj
having a shape that reduces drag when moving through the air
of, or relating to the science of aerodynamics
aerophysics
aerophysics
noun
(physics) The physics of the design and construction of aerodynamic devices
aglycosuric
aglycosuric
adj
Having, or relating to, the condition of aglycosuria.
alacriously
alacriously
adv
With alacrity; briskly.
alcoholysis
alcoholysis
noun
(organic chemistry) Solvolysis using an alcohol.
alcoholytic
alcoholytic
adj
Relating to alcoholysis
alcyonacean
alcyonacean
noun
(zoology) Any member of the Alcyonacea; a soft coral.
alcyonarian
alcyonarian
noun
(zoology) Any of the Alcyonaria, a subclass of the Anthozoa.
alcyoniform
aleuromancy
aleuromancy
noun
divination using flour or related products such as dough or cakes and fortune cookies
allocryptic
allocyanine
allocyanine
noun
Alternative form of allocyanin
allopsychic
allopsychic
adj
(psychology) Relating to the relationship between the mind and the outside world
allotypical
allotypical
adj
(immunology, rare) Allotypic: of, due to, or pertaining to an allotype.
alycompaine
amblyoscope
amblyoscope
noun
A reflecting stereoscope used to evaluate binocular vision
ambulomancy
ambulomancy
noun
Any of various forms of divination that involve walking, often in circles.
amminolytic
ammonolytic
amoebocytes
amoebocytes
noun
plural of amoebocyte
amoxycillin
amoxycillin
noun
(pharmacology) UK spelling of amoxicillin.
amphichromy
amphictyons
amphictyons
noun
plural of amphictyon
amphictyony
amphictyony
noun
A religious foundation or co-operative shared between Greek city states during the classical period, typically to support the temple or cult of a deity shared by the city states. Also used academically to refer to similar arrangements in non-Greek cultures.
amphoricity
amphoricity
noun
(rare) The quality of being amphoric.
amylopectin
amylopectin
noun
(biochemistry) A highly branched, insoluble form of starch (the soluble form being amylose)
amyosthenic
amyosthenic
adj
Of or relating to amyosthenia.
noun
(medicine) A drug or agent that depresses muscular action.
amyotrophic
amyotrophic
adj
(medicine) Characterized by amyotrophy (atrophy of the muscles)
anacrogynae
anchylosing
anchylosing
verb
present participle of anchylose
ancyloceras
ancylostoma
ancylostoma
noun
Any hookworm of the genus Ancylostoma.
ancylostome
ancylostome
noun
Alternative form of ancylostoma (“type of hookworm”)
anecdotally
anecdotally
adv
In an anecdotal manner; by means of a recounted incident.
angelocracy
angelocracy
noun
government or rule by angels
angelomachy
angelomachy
noun
(rare) A battle between angels.
anhemolytic
anionically
anionically
adv
By means of anions
In a anionic manner
anisocotyly
anisodactyl
anisodactyl
adj
Characterized by anisodactyly
anoxybiotic
anoxybiotic
adj
Of or pertaining to anoxybiosis.
anthecology
anthecology
noun
(biology) The study of the relationships between flowers and pollinators
anthocyanin
anthocyanin
noun
(botany, organic chemistry) Any of many water-soluble red to violet plant pigments related to the flavonoids (more noticeable in autumn after the chlorophyll decomposes)
anthypnotic
anthypnotic
adj
Alternative form of antihypnotic
antiboycott
antiboycott
adj
Opposing or countering a boycott or boycotts.
anticyclone
anticyclone
noun
(meteorology) a system of winds that spiral out from a centre of high pressure
antimycotic
antimycotic
adj
That inhibits the growth of fungi; antifungal
noun
An antimycotic agent.
antipyrotic
antipyrotic
adj
(medicine) Effective against burns or pyrosis.
antizymotic
antizymotic
adj
(medicine) Preventing fermentation or decomposition.
noun
(medicine) A substance that prevents fermentation or decomposition.
anxiolytics
anxiolytics
noun
plural of anxiolytic
aphanomyces
apicoectomy
apicoectomy
noun
(surgery) An endodontic surgical procedure whereby a tooth's root tip is removed and a root end cavity is prepared and filled with a biocompatible material
apocalypses
apocalypses
noun
plural of apocalypse
apocalyptic
apocalyptic
adj
(nonstandard) Eggcorn of apoplectic.
Of or relating to an apocalypse (a disaster).
Of or relating to an apocalypse (a revelation), revelatory; prophetic.
Portending a future apocalypse (disaster, devastation, or doom).
noun
One who predicts apocalypse.
apocrisiary
apocrisiary
noun
An apocrisiarius.
apocryphate
apocynaceae
apocynthion
apocynthion
noun
(astronomy) The point in an orbit around the Moon that is most distant from that body.
applicatory
applicatory
adj
able to be applied or used, practical
arachnology
arachnology
noun
The study of the Arachnida.
archaeocyte
archaeocyte
noun
Synonym of amoebocyte
archaeology
archaeology
noun
The study of the past by excavation and analysis of its material remains:
the academic subject; in the USA: one of the four sub-disciplines of anthropology.
the actual excavation, examination, analysis and interpretation.
the actual remains together with their location in the stratigraphy.
archikaryon
archmockery
archosyrinx
arcticology
aristocracy
aristocracy
noun
A class of people considered (not normally universally) superior to others
Government by such a class, or a state with such a government
The nobility, or the hereditary ruling class.
aromaticity
aromaticity
noun
(organic chemistry) The property of being aromatic, i.e. having at least one conjugated ring.
The property of having an aroma.
arthrectomy
arthrectomy
noun
(surgery) excision of a joint
arthrodymic
arthrodynic
arthrodynic
adj
Of or relating to arthrodynia.
arthroscopy
arthroscopy
noun
the examination of the interior of a joint (such as the knee) using an arthroscope
artiodactyl
artiodactyl
noun
(zoology) Any ungulate mammal with an even number of toes and belonging to the Artiodactyla, including pigs, sheep, deer, cattle, and most grazing animals. In contrast, horses have an odd number of toes and as such are not Artiodactyla, but Perissodactyla.
ascomycetal
ascomycetal
adj
Relating to ascomycetes
ascomycetes
ascomycetes
noun
plural of ascomycete
ascophyllum
aspidomancy
associatory
astrocaryum
astrocytoma
astrocytoma
noun
(medicine) A cancer of the brain that originates in astrocytes
astuciously
astuciously
adv
astutely
asymbolical
asymbolical
adj
Synonym of asymbolic
atmocautery
atrociously
atrociously
adv
in an atrocious manner
audaciously
audaciously
adv
In a audacious manner; bravely, daringly, but not foolheartedly.
In a brazen, forthright manner.
aurocyanide
aurocyanide
noun
(inorganic chemistry, uncountable) The complex anion, Au(CN)₂⁻, produced when gold is dissolved as part of the cyanide process.
austromancy
austromancy
noun
Soothsaying, or prediction of events, from observation of the winds or cloud formations.
auteciously
autocephaly
autocephaly
noun
(Christianity) The condition where a church's leaders have severed ties to a larger body and thus no longer report to a higher authority.
autochthony
autochthony
noun
An aboriginal condition or state.
autodynamic
autodynamic
adj
Supplying its own power.
autopsychic
autopsychic
adj
(psychology) Relating to the perception of one's own mind
autopticity
autopticity
noun
The condition of being autoptic; an autoptic event
backcountry
backcountry
noun
A remote region; countryside that is relatively inaccessible; the boondocks.
barleycorns
barleycorns
noun
plural of barleycorn
baroclinity
baroclinity
noun
The condition of being baroclinic.
barodynamic
barodynamic
adj
Relating to barodynamics.
bathochromy
bathychrome
bathycolpic
bathycolpic
adj
Alternative form of bathukolpic
bathysophic
benefactory
benefactory
adj
Yielding benefit; doing good.
noun
One who gives benefit to others; a benefactor.
berycoidean
bibliomancy
bibliomancy
noun
Divination by interpreting a passage chosen at random from a book, especially from the Bible.
biconcavity
biconcavity
noun
The quality of being biconcave.
biconically
biconically
adv
In a biconical manner.
bidactylous
binocularly
binocularly
adv
In a binocular manner.
bioactivity
bioactivity
noun
(biology, medicine) Biologic activity, such as biochemical or immunologic reactivity: the biologic effect (function or dysfunction, benefit or toxicity) of a substance.
biocatalyst
biocatalyst
noun
(biochemistry) A biochemical catalyst; normally an enzyme.
biodynamics
biodynamics
noun
(agriculture) Biodynamic agricultural practices similar to organic farming.
(biology, dated) The doctrine of vital forces or energy.
biophysical
biophysical
adj
of or pertaining to a combination of biology and physics
of or pertaining to biophysics
biosocially
biosocially
adv
In a biosocial context.
bizygomatic
bizygomatic
adj
Of, pertaining to, or joining the two zygomatic arches
blastochyle
blastochyle
noun
(anatomy) The clear or shiny colorless fluid in the blastodermic vesicles.
blastocysts
blastocysts
noun
plural of blastocyst
blastomyces
blastomycin
blastomycin
noun
A sterile material, produced from cultures of the fungus Blastomyces, once used for intradermal testing