(astronomy) A small periodical change of the apparent positions of the stars and other heavenly bodies, due to the combined effect of the motion of light and the motion of the observer.
(astronomy, by extension) The tendency of light rays to preferentially strike the leading face of a moving object (the effect underlying the above phenomenon).
(electronics) A defect in an image produced by an optical or electrostatic lens system.
(medicine) A deviation of a tissue, organ or mental functions from what is considered to be within the normal range.
(optics) The convergence to different foci, by a lens or mirror, of rays of light emanating from one and the same point, or the deviation of such rays from a single focus; a defect in a focusing mechanism that prevents the intended focal point.
(zoology, botany) A typical development or structure; deviation from the normal type; an aberrant organ.
A mental disorder, especially one of a minor or temporary character.
A partial alienation of reason.
The act of wandering; deviation from truth, moral rectitude; abnormal; divergence from the straight, correct, proper, normal, or from the natural state.
abnegators
abnegators
noun
plural of abnegator
aborsement
aborsement
noun
(obsolete) Abortment; abortion
abreaction
abreaction
noun
(psychoanalysis) The re-living of an experience with a view to purging its emotional dross.
absorbents
absorbents
noun
plural of absorbent
abstersion
abstersion
noun
(archaic) Act of wiping clean; a cleansing; a purging.
abstertion
accounters
accounters
noun
plural of accounter
accretions
accretions
noun
plural of accretion
acervation
acervation
noun
(obsolete, rare) A heaping up; accumulation
acetarsone
acetarsone
noun
Synonym of acetarsol
acetonuria
acetonuria
noun
(pathology) A form of ketonuria characterized by the presence of acetone in the urine
acetopyrin
acherontic
acherontic
adj
Alternative form of Acherontic
achondrite
achondrite
noun
(astronomy, geology) Any stony meteorite that contains no chondrules
acieration
acieration
noun
(rare) The conversion of iron into steel.
acroterion
acroterion
noun
Alternative form of acroterium
actinomere
actinomere
noun
(zoology) One of the radial segments making up the body of one of the Coelenterata or similar organism
adornments
adornments
noun
plural of adornment
adroitness
adroitness
noun
skillfulness or ease of ability.
adsorbents
adsorbents
noun
plural of adsorbent
aerobating
aerobating
verb
present participle of aerobate
aerodontia
aerodontic
aeromantic
aeromantic
adj
Pertaining to or of the nature of aeromancy.
aeronautic
aeronautic
adj
Having to do with aerial navigation
aeronomist
aeronomist
Noun
One who studies aeronomy.
affrontive
affrontive
adj
Tending to affront or offend.
afternoons
afternoons
noun
plural of afternoon
aftersound
aftersound
noun
(acoustics) The second, slower phase of decay in the sound made by a piano string when it is struck.
(phonetics, obsolete) A weaker sound that immediately follows a more salient one, such as the second, less prominent vowel sound in a falling diphthong.
A sound that persists or remains audible after its source has ceased to produce it; the perception of such a sound.
aggeration
aggeration
noun
A heaping up; accumulation.
agreations
agregation
agrotechny
agrotechny
noun
The science and technology of agriculture.
akroterion
alboranite
alipterion
alteration
alteration
noun
The act of altering or making different.
The state of being altered; a change made in the form or nature of a thing; a changed condition.
alternator
alternator
noun
(electrical engineering) An electric generator which produces alternating current through mechanical means.
ameliorant
ameliorant
noun
A substance that helps plants grow by improving the physical condition of the soil.
Anything that improves something else.
amendatory
amendatory
adj
For the purpose of amending or correction.
amentiform
amentiform
adj
(botany) Shaped like a catkin.
ammoniuret
anastrophe
anastrophe
noun
(rhetoric) Unusual word order, often involving an inversion of the usual pattern of the sentence.
anatomiser
anatomiser
noun
Alternative form of anatomizer
anatomizer
anatomizer
noun
One who carries out dissection.
anchoretic
anchoretic
adj
Relating to an anchoret or hermit.
anchorites
anchorites
noun
plural of anchorite
anderstorp
anelytrous
anemometer
anemometer
noun
(meteorology) An instrument for measuring and recording the speed of the wind, a windmeter.
anemometry
anemometry
noun
Measurement of the direction and velocity of the wind.
anenterous
anenterous
adj
(zoology) Without a stomach or an intestine.
angiometer
angiotribe
angiotribe
noun
An instrument for controlling hemorrhages
anisoptera
anisotrope
anisotrope
adj
(dated) anisotropic
annerodite
anoestrous
anorectous
anorectous
adj
(archaic) anorectic; lacking appetite
anorexiant
anorexiant
noun
A thing, especially a medication, that promotes a decrease in body weight or a reduction in appetite.
antecessor
antecessor
noun
(now rare) A person from whom one is descended.
(now rare) A person or thing that precedes or goes before.
antechoirs
antechoirs
noun
plural of antechoir
antedorsal
antemortal
antemortem
antemortem
adj
Having been inflicted or having occurred before death.
anteocular
anteocular
adj
Positioned in front of the eye
anteriorly
anteriorly
adv
before (in time)
in front (in position)
towards the anterior
anthoceros
anthophore
anthophore
noun
(botany) The stipe when developed into an internode between calyx and corolla, as in the pink family.
anthranone
anthranone
noun
Alternative form of anthrone
antichrome
anticorset
anticorset
adj
Opposing the wearing of corsets.
antifouler
antifouler
noun
Synonym of antifoulant
antigorite
antigorite
noun
(mineralogy) A brownish-green variety of serpentine.
antiheroes
antiheroes
noun
plural of antihero
antiheroic
antiheroic
adj
(narratology) Of, pertaining to or typical of an antihero.
antimodern
antimodern
adj
Opposed to modernity or modernization
noun
A person opposed to modernity or modernization
antiphoner
antiphoner
noun
An antiphonal.
antipopery
antipopery
noun
Opposition to popery.
antireform
antireform
adj
(politics) Opposing reform
antrectomy
antrectomy
noun
(surgery) The removal (resection) of part of the stomach, often combined with a vagotomy.
antrophore
antrophose
antrorsely
antrorsely
adv
(biology) In an antrorse fashion.
antroscope
antroscope
noun
An instrument that is used to inspect the maxillary antrum
aphronitre
apocentric
apocentric
adj
(astrophysics) Of or pertaining to the apocenter, the point in an orbit which is furthest from the orbited body
appointers
appointers
noun
plural of appointer
archontate
archontate
noun
The office or position of an archon
arctogaean
arctoidean
arefaction
arefaction
noun
(rare or obsolete) The fact or process of drying; desiccation.
areolation
areolation
noun
An areola, or a similar form of a space surrounded by something of a different colour.
argenteous
argenteous
adj
(formal) Silvery.
argyroneta
arietation
arietation
noun
(obsolete) The act of butting like a ram; the use of a battering ram.
(obsolete) The act of striking or conflicting.
arietinous
arietinous
Adjective
Shaped like a ram's head.
armipotent
armipotent
adj
(obsolete) Powerful in battle.
noun
(poetic, archaic) A powerful combatant.
arousement
arousement
noun
Arousal.
arragonite
arragonite
noun
Alternative form of aragonite
arrendator
arrendator
noun
Alternative spelling of arendator
arrenotoky
arrenotoky
noun
Alternative form of arrhenotoky
arrowstone
arsenation
arsenation
noun
(chemistry) Conversion to, or reaction with an arsenate
arsenolite
arsenolite
noun
(mineralogy) A mineral form of arsenic trioxide.
artemision
artesonado
asperation
asperation
noun
The act of asperating; a making or becoming rough.
a harshness, an unpleasantness
assentator
assentator
noun
An obsequious flatterer.
assertions
assertions
noun
plural of assertion
assortment
assortment
noun
A collection of varying but related items.
astonisher
astonisher
noun
(journalism) A headline or lead (introductory paragraph) designed to capture attention through a surprising statement.
(typography, journalism, chiefly US) A short line of smaller type above (or sometimes below) the main headline of an article, usually placed flush-left.
(typography, printing, computing, chiefly US) An exclamation mark, the punctuation mark “!”.
Someone who astonishes.
Something that astonishes; an astonishing thing or event.
astronomer
astronomer
noun
One who studies astronomy, the stars or the physical universe; a scientist whose area of research is astronomy or astrophysics
asymmetron
asymmetron
noun
(physics) A massive scalar field proposed as a form of dark matter
athrogenic
atropamine
atropatene
atropatene
Proper noun
An ancient kingdom established in the 4th century BC in modern-day Iranian Azerbaijan by the satrap Atropates.
a satrapy of later Parthian and Sasanian empires; Aturpatakan; Adurbadagan; Atrapatakan
atropinize
atropinize
verb
(transitive) To treat with atropine.
atrorubent
attenuator
attenuator
noun
(physics) Any device that attenuates a signal, but especially an electronic device that reduces the amplitude of a signal
attornment
attornment
noun
(feudal law) The consent of a tenant to the transfer of his relationship to his landlord to another person.
auctioneer
auctioneer
noun
A person who conducts an auction on behalf of a vendor, taking bids to find the best price for the vendor.
verb
(transitive) To sell at an auction; to auction.
autosender
autosender
noun
An automatic sender.
aversation
aversation
noun
(obsolete) A turning from with dislike; aversion.
axonometry
axonometry
noun
axonometric projection
azoprotein
azoprotein
noun
(biochemistry) Any protein, coupled with another material via a diazo linkage, that is used in immunochemical procedures
bakerstown
balneatory
balneatory
adj
(obsolete, rare) Pertaining to a bath
bargestone
baronetage
baronetage
noun
The rank of a baronet
baronets collectively
baroneting
baronetise
baronetize
barrenwort
barrenwort
noun
A herb, Epimedium alpinum, once thought to prevent conception
barrientos
bartonella
bartonella
noun
Any parasitic bacterium of the genus Bartonella
bauernbrot
bayoneteer
bayoneteer
noun
A soldier armed with a bayonet.
beachfront
beachfront
adj
Of property (real estate): located on a beach.
noun
The portion of land or property that runs alongside and facing a beach.
beardstown
beartongue
beavertown
beneceptor
beneceptor
noun
(anatomy) A sensory receptor that sends pleasurable or beneficial signals.
benefactor
benefactor
noun
Somebody who gives a gift, often money to a charity.
Someone who performs good or noble deeds.
bernadotte
bernstorff
berrettino
bertolonia
bestrowing
bestrowing
verb
present participle of bestrow
betancourt
bethorning
betorcinol
betrothing
betrothing
verb
present participle of betroth
bettendorf
bicornuate
bicornuate
adj
(medicine) Resembling a pair of horns, as a malformed uterus may.