The study of spined things, in particular sea urchins, and the resultant impact on taxonomy.
acanthopterygian
acanthopterygian
adj
(zoology) Similar to an acanthopterygian.
noun
(zoology) Any fish of the superorder Acanthopterygii.
acanthopterygii
achromatising
achromatising
verb
present participle of achromatise
achromatizing
achromatizing
verb
present participle of achromatize
acropathology
acropathology
noun
(pathology, rare) The study of diseases of the limbs or the extremities.
actinautographic
actinautographic
adj
(obsolete, photography) That produces a developable impression on light-sensitive material without contact
actinautography
actinautography
noun
(obsolete, photography) The production of an actinautographic image
actinograph
actinograph
noun
A recording actinometer.
actinographic
actinography
actinography
noun
measurement with an actinograph
adenopharyngitis
aegithalos
aegithognathae
aegithognathism
aegithognathous
aeolight
aerocartograph
aerocartograph
noun
(historical) A kind of stereoplotter.
aerocartography
aerocartography
noun
The making of maps based on an aerial survey of the terrain.
aerolithology
aerolithology
noun
The study of meteorites
aerometeorograph
aerometeorograph
noun
A meteorograph designed for use in an aircraft or other flying vehicle.
aerophagist
aerophagist
noun
(medicine) A person who gulps in air.
aerophotography
aerophotography
noun
aerial photography
aesthiology
aesthophysiology
aesthophysiology
noun
The science of sensation in relation to the actions of the nerves.
aetheogam
aetheogam
noun
(botany) A cryptogam; a plant of the obsolete taxonomic class Cryptogamia, having neither stamina nor pistils, and therefore no proper flowers, such as an alga, fern, fungus, lichen or moss.
aetheogamic
aetheogamous
aetheogamous
adj
(botany) Of the nature of an aetheogam.
aethogen
aethogen
noun
(chemistry) A compound of nitrogen and boron which, when heated before the blowpipe, gives a brilliant phosphorescent; boric nitride.
aforethought
aforethought
adj
(postpositive) Premeditated; planned ahead of time.
aftergrowth
aftergrowth
noun
(figuratively) Any abstraction of the above.
A second growth, seen in plants like crops or timber after harvesting.
afterthought
afterthought
noun
A reflection after an act; a later or subsequent thought, action, or expedient.
Something additional to the original plan or concept.
verb
(very rare except in the past tense, possibly nonstandard) To expound as an afterthought.
simple past tense and past participle of afterthink
afterthoughted
afterthoughted
verb
simple past tense and past participle of afterthought
afterthoughts
afterthoughts
noun
plural of afterthought
agastrophus
agatho
agathocles
agathodaemon
agathodaemon
noun
A benevolent spirit, as opposed to a cacodemon (an evil daemon).
agathodaemonic
agathodaemonic
adj
Relating to an agathodaemon.
agathodemon
agathodemon
noun
Alternative spelling of agathodaemon.
agathokakological
agathokakological
adj
(rare) Composed of both good and evil.
agathology
agathology
noun
The science or theory of the good.
agathon
agathosma
aggadoth
aghorapanthi
aglyphodont
aglyphodonta
aglyphodontia
agnathostomata
agnathostomatous
agnathous
agnathous
adj
(pathology) Afflicted by or characteristic of agnathia.
Jawless.
agonistarch
agonistarch
noun
(Ancient Greece) One who trained persons to compete in public games and contests.
agonothet
agonothete
agonothete
noun
Alternative form of agonothetes
agonothetic
agonothetic
adj
Of or pertaining to an agonothete.
agoroth
agoroth
noun
plural of agora
agrostographer
agrostographer
noun
One who studies agrostography.
agrostographic
agrostographical
agrostographies
agrostography
agrostography
noun
The scientific description of grasses.
agrotechny
agrotechny
noun
The science and technology of agriculture.
aguroth
alethiologic
alethiological
alethiological
adj
Of or pertaining to alethiology.
alethiologist
alethiology
alethiology
noun
(logic) The branch of logic dealing with truth and error.
algaroth
algaroth
noun
Alternative form of algarot
algoesthesiometer
algophilist
algophilist
noun
A person who is subject to algophilia; one who derives sexual pleasure from feeling pain.
algorithm
algorithm
noun
(countable) A collection of ordered steps that solve a mathematical problem. A precise step-by-step plan for a computational procedure that possibly begins with an input value and yields an output value in a finite number of steps.
(uncountable, obsolete) Calculation with Arabic numerals; algorism.
algorithmic
algorithmic
adj
(mathematics, computing) Of, relating to, or being an algorithm.
algorithmically
algorithmically
adv
Using an algorithm.
algorithms
algorithms
noun
plural of algorithm
alligatorfish
alligatorfish
noun
Aspidophoroides monopterygius, a bottom-dwelling marine fish in the family Agonidae, which is found along the coasts of the northwestern Atlantic.
alligatorfishes
alligatorfishes
noun
plural of alligatorfish
allothigene
allothigenetic
allothigenetically
allothigenic
allothigenous
allothogenic
allothogenous
allotriognathi
allotriophagia
allotriophagy
allotriophagy
noun
(rare) Having food cravings that are different from the expected or the norm
alogotrophy
alphabetology
although
although
conj
But, except.
Though, even though, in spite of or despite the fact that: introducing a clause that expresses a concession.
(colloquial, usually with the) A state of nakedness. (Especially in the phrase in the altogether)
altogetherness
altogethers
altogethers
adv
(obsolete) Alternative form of all together
(obsolete) Alternative form of altogether
noun
(obsolete) The way things are; circumstances.
plural of altogether (“nakedness”)
ampelographist
ampelographist
noun
One who studies ampelography.
amphisporangiate
amygdalolith
amygdalopathy
amygdalothripsis
anaesthesiologist
anaesthesiologist
noun
(British spelling) Alternative spelling of anesthesiologist
anaesthesiology
anaesthesiology
noun
(British spelling, medicine) Alternative spelling of anesthesiology
anaglyptograph
anaglyptograph
noun
An instrument for making accurate engravings of any embossed object, such as a medal.
anaglyptographic
anaglyptographic
adj
Relating to anaglyptography.
anaglyptography
anaglyptography
noun
The art of copying works in relief, or of engraving as to give the subject an embossed or raised appearance; used in representing coins, bas reliefs, etc.
anaphylactogen
anaphylactogen
noun
(medicine) A substance likely to or capable of producing an adverse reaction (anaphylaxis) in a person.
anaphylactogenic
anaphylactogenic
adj
That tends to cause anaphylaxis.
anatomicochirurgical
anatomicopathologic
anatomicopathological
anatomicopathological
adj
Relating to anatomy and pathology.
anatomicophysiologic
anatomicophysiological
anatomicophysiological
adj
Relating to anatomy and physiology.
anatomopathologic
anatomopathologic
adj
Alternative form of anatomopathological
anatomopathological
anatomopathological
adj
(anatomy, pathology) Relating to both anatomy and pathology
androgametophore
anemometrograph
anemometrograph
noun
(archaic) An anemograph.
anemometrographic
anemometrographically
anesthesiologies
anesthesiologist
anesthesiologist
noun
(American spelling, Canadian spelling) A physician who specializes in anesthesiology and administers anesthesia.
anesthesiologists
anesthesiologists
noun
plural of anesthesiologist
anesthesiology
anesthesiology
noun
(American spelling, Canadian spelling) The science of administering anesthetics.
angioasthenia
angiocholecystitis
angiocholitis
angiocholitis
noun
Synonym of cholangitis
angioelephantiasis
angiohydrotomy
angiohypertonia
angiohypotonia
angiolith
angiolith
noun
A calcareous deposit in the wall of a blood vessel
angiolymphitis
angiopathy
angiopathy
noun
(pathology) Any disease of the blood vessels.
angiostrophy
angiothlipsis
angiotrophic
angiotrophic
adj
vasotrophic
angletouch
anglocatholicism
anglophobist
animatograph
anisognathism
anisognathous
anisognathous
adj
(pathology) Having different sizes to the upper and lower jaws
anopisthograph
anopisthograph
adj
(palaeography) written on one side only
anopisthographic
anopisthographic
adj
Not opisthographic; bearing writing on one side only.
anopisthographically
anorthographic
anorthographical
anorthographically
anorthography
anotherguess
anotherguess
adj
(archaic) Of another kind.
anthecological
anthecological
adj
Relating to anthecology
anthecologist
anthecologist
noun
One who studies anthecology.
anthecology
anthecology
noun
(biology) The study of the relationships between flowers and pollinators