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
accelerograph
accelerograph
noun
(geology) An instrument used to record the acceleration of the ground during an earthquake.
(military) An apparatus for studying the combustion of powder in guns, etc.
accomplishing
accomplishing
verb
present participle of accomplish
accroaching
accroaching
verb
present participle of accroach
achango
achroglobin
achromatising
achromatising
verb
present participle of achromatise
achromatizing
achromatizing
verb
present participle of achromatize
acridophagus
acridophagus
noun
(rare) One who eats grasshoppers and locusts
acrography
acrography
noun
A method of relief etching on wood, metal, or stone by means of a coating of compressed chalk, invented by Louis Schonberg in 1841.
An organizing principle for written lists, based on initial glyphs.
Decorative plaster work of various styles used in middle eastern architecture.
acropathology
acropathology
noun
(pathology, rare) The study of diseases of the limbs or the extremities.
acrorhagus
acrorhagus
noun
Any of a set of marginal tubercles of sea anemones containing specialized nematocysts
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
addressograph
addressograph
noun
(historical) A device for making mailing labels, used for much of the 20th century.
adelphogamy
adelphogamy
noun
A form of polyandry where a woman is married to two or more brothers.
Marriage between a brother and a sister.
adelphophagy
adelphophagy
noun
The consumption of one embryo by another in utero, particularly among certain amphibians, sharks and fishes
adenographer
adenographic
adenographic
adj
Pertaining to adenography.
adenographical
adenography
adenography
noun
(anatomy) The division of anatomy describing the glands
adenopharyngeal
adenopharyngitis
adenophlegmon
adenophlegmon
noun
(obsolete, pathology) inflammation of a lymph gland
adephagous
adephagous
adj
Relating to the Adephaga
greedy, gluttonous
admonishing
admonishing
noun
admonishment
verb
present participle of admonish
admonishingly
admonishingly
adv
In an admonishing manner.
adoxography
adoxography
noun
(rhetoric) Fine writing on a minor or trivial subject.
aechmagoras
aegiochus
aegithalos
aegithognathae
aegithognathism
aegithognathous
aegophony
aegophony
noun
Alternative form of egophony
aeolight
aerocartograph
aerocartograph
noun
(historical) A kind of stereoplotter.
aerocartography
aerocartography
noun
The making of maps based on an aerial survey of the terrain.
aerogeography
aerograph
aerograph
noun
A kind of airbrush.
aerographer
aerographer
noun
One versed in aerography; an aerologist.
aerographic
aerographic
adj
Relating to aerography.
aerographical
aerographical
adj
Synonym of aerographic
aerographics
aerographics
noun
Synonym of aerography (“production of weather charts”)
aerographies
aerography
aerography
noun
A branch of surrealist art in which a three-dimensional object is used as a stencil.
The production of weather charts.
aerolithology
aerolithology
noun
The study of meteorites
aerometeorograph
aerometeorograph
noun
A meteorograph designed for use in an aircraft or other flying vehicle.
aerophagia
aerophagia
noun
aerophagy
aerophagist
aerophagist
noun
(medicine) A person who gulps in air.
aerophagy
aerophagy
noun
(medicine) the swallowing of air, especially in hysteria.
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
agalloch
agalloch
noun
The soft, aromatic, resinous wood of Aquilaria malaccensis (formerly Aquilaria agallocha).
agallochs
agallochum
agallochum
noun
agalloch
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
aghori
aglyphodont
aglyphodonta
aglyphodontia
aglyphous
aglyphous
adj
(of a snake) Whose teeth are not specialized, especially whose teeth lack grooves for venom.
agnathostomata
agnathostomatous
agnathous
agnathous
adj
(pathology) Afflicted by or characteristic of agnathia.
Jawless.
agoho
agoho
noun
(Philippines) The tree Casuarina equisetifolia.
agomphiasis
agomphiasis
noun
Looseness of the teeth.
agomphious
agomphious
adj
toothless
agomphosis
agomphosis
Noun
Looseness of the teeth.
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.
agoraphobes
agoraphobes
noun
plural of agoraphobe
agoraphobia
agoraphobia
noun
(rare) An aversion to markets.
The fear of wide open spaces, crowds, or uncontrolled social conditions.
agoraphobiac
agoraphobiac
noun
One who fears open spaces, crowds, or uncontrolled social conditions.
agoraphobias
agoraphobias
noun
plural of agoraphobia
agoraphobic
agoraphobic
adj
Of, pertaining to or suffering from agoraphobia.
noun
One who suffers from agoraphobia.
agoraphobics
agoraphobics
noun
plural of agoraphobic
agoroth
agoroth
noun
plural of agora
agriochoeridae
agriochoerus
agrochemical
agrochemical
adj
Relating to agrochemistry.
noun
(chemistry) A chemical compound, such as a hormone, fungicide, or insecticide, that improves the production of crops.
A compound or product derived from farmed plants.
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
agyrophobia
agyrophobia
noun
fear of crossing the street
ahong
airohydrogen
airohydrogen
adj
Of, or using a mixture of, hydrogen and air.
albedograph
alcoholising
alcoholising
verb
present participle of alcoholise
alcoholizing
alcoholizing
verb
present participle of alcoholize
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
alghero
algoesthesiometer
algophagous
algophagous
adj
That eats algae
algophilia
algophilia
noun
pleasure from experiencing pain, especially sexually.
algophilist
algophilist
noun
A person who is subject to algophilia; one who derives sexual pleasure from feeling pain.
algophobia
algophobia
noun
Fear of 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
alilonghi
allagophyllous
alligatorfish
alligatorfish
noun
Aspidophoroides monopterygius, a bottom-dwelling marine fish in the family Agonidae, which is found along the coasts of the northwestern Atlantic.