(optics) A device that simulates aberration in an image.
abhorrent
abhorrent
adj
(archaic) Inconsistent with, or far removed from, something; strongly opposed.
Abhorring; detesting; having or showing abhorrence; loathing.
Contrary to something; discordant.
Detestable or repugnant.
abnegator
abnegator
noun
(rare) One who abnegates, denies, or rejects.
abortient
abortient
adj
(archaic, medicine) Reproductively sterile or miscarrying.
noun
(archaic, medicine) Abortifacient; an agent producing abortion.
abortuses
abortuses
noun
plural of abortus
abreption
abreption
noun
(obsolete) A snatching away.
abrogated
abrogated
verb
simple past tense and past participle of abrogate
abrogates
abrogates
verb
Third-person singular simple present indicative form of abrogate
absoluter
absoluter
adj
(rare) comparative form of absolute: more absolute
absorbent
absorbent
adj
Having the ability or tendency to absorb; able to soak up liquid easily; absorptive.
noun
(chemistry) A liquid used in the process of separating gases or volatile liquids, in oil refining.
(medicine) Any substance which absorbs and neutralizes acid fluid in the stomach and bowels, as magnesia, chalk, etc.; also a substance, e.g., iodine, which acts on the absorbent vessels so as to reduce enlarged and indurated parts.
(physiology, pluralized, now rare) The vessels by which the processes of absorption are carried on, as the lymphatics in animals, the extremities of the roots in plants.
Anything which absorbs.
accentors
accentors
noun
plural of accentor
acceptors
acceptors
noun
plural of acceptor
accounter
accounter
noun
A person providing an account of events.
A person providing an accounting of expenditure or other actions.
accouters
accouters
verb
Third-person singular simple present indicative form of accouter
accoutred
accoutred
adj
Provided with vital supplies for a precise aim, more specifically for the armed forces.
Supplied with essential equipments for a certain intention, particularly military.
verb
simple past tense and past participle of accoutre
accoutres
accoutres
verb
Third-person singular simple present indicative form of accoutre
accretion
accretion
noun
(astrophysics) The formation of planets and other bodies by collection of material through gravity.
(biology) A growing together of parts naturally separate, as of the fingers or toes.
(geology) The gradual increase of land by deposition of water-borne sediment.
(law) Gain to an heir or legatee; failure of a coheir to the same succession, or a co-legatee of the same thing, to take his share percentage.
(law) The adhering of property to something else, by which the owner of one thing becomes possessed of a right to another; generally, gain of land by the washing up of sand or sail from the sea or a river, or by a gradual recession of the water from the usual watermark.
Concretion; coherence of separate particles.
Something added externally to promote the external growth of an item.
The act of increasing by natural growth; especially the increase of organic bodies by the internal accession of parts; organic growth.
The act of increasing, or the matter added, by an accession of parts externally; an extraneous addition.
acentrous
acentrous
adj
(ichthyology) lacking vertebral centra
achordate
achordate
adj
(biology) Not having a proto-spinal chord at any stage of development.
achromate
acoumeter
acoumeter
noun
(physics) An instrument for measuring the acuteness of the sense of hearing.
acoumetry
acoumetry
noun
The measuring of the power or extent of hearing.
acrobates
acrometer
acropetal
acropetal
adj
(botany) That develops, matures or opens from the base towards the apex in sequence.
acroteral
acroteria
acroteria
noun
plural of acroterium
acroteric
acroteric
adj
Relating to the extremities of the limbs or to the tip of the nose
acrotreta
actoridae
acusector
adderbolt
adderbolt
noun
(now UK dialectal) A dragonfly.
adderwort
adderwort
noun
Common bistort (Bistorta officinalis, syn. Persicaria bistorta) or snakeweed.
adoperate
adorantes
adornment
adornment
noun
A decoration; that which adorns.
The act of decorating.
adroitest
adroitest
adj
superlative form of adroit: most adroit
adsorbate
adsorbate
noun
a substance that has been adsorbed
adsorbent
adsorbent
adj
Tending to adsorb.
noun
The solid or liquid in the process of adsorption on which the adsorbate accumulates.
aegrotant
aerations
aerations
noun
plural of aeration
aerobated
aerobated
verb
simple past tense and past participle of aerobate
aerobatic
aerobatic
adj
Having to do with acrobatic maneuvers, such as spins, twirls, and flips, performed by an airplane.
aerobiont
aerobiont
noun
(biology) Any organism that needs air (oxygen) to survive
aerocraft
aerocraft
noun
(dated or nonstandard) An aircraft.
aeroducts
aeroducts
noun
plural of aeroduct
aerolites
aerolites
noun
plural of aerolite
aeroliths
aeroliths
noun
plural of aerolith
aerolitic
aerolitic
adj
Of or pertaining to aerolites.
aerometer
aerometer
noun
An instrument used to measure the mass and density of gases.
aerometry
aerometry
noun
The science of measuring the air, including its pressure, rarefaction, and condensation; pneumatics.
aeromotor
aeromotor
noun
A windmill, windpump or similar device powered by the wind
aeronauts
aeronauts
noun
plural of aeronaut
aeropathy
aeropathy
noun
illness caused by a change in atmospheric pressure
aerophoto
aerophoto
noun
Alternative form of aerophotograph
aerophyte
aerophyte
noun
(biology) epiphyte
aerostats
aerostats
noun
plural of aerostat
aerosteam
aerosteam
adj
(historical) Powered by both heated air and steam.
aerotaxis
aerotaxis
noun
(biology) Movement of an organism either towards or away from a region of higher oxygen content.
aeroyacht
aeroyacht
noun
(archaic) aeroboat
afforests
afforests
verb
Third-person singular simple present indicative form of afforest
affronted
affronted
adj
(heraldry) Synonym of affronté
Defiant
verb
simple past tense and past participle of affront
affrontee
affronter
affronter
noun
One who receives an affront.
Someone who affronts.
aforetime
aforetime
adj
(archaic) Former.
adv
(archaic) In time past; in a former time; formerly.
afterblow
afterbody
afterbody
noun
(astronautics) A section or piece of a launch vehicle, rocket, or spacecraft that enters the atmosphere unprotected behind the nose cone or other body that is protected for entry.
(astronomy) A companion body that trails a satellite or spacecraft.
(nautical) The part of a vessel abaft midships.
The afterpart of a vehicle.
aftercome
aftercome
noun
(archaic, Scotland) A subsequent result; consequence.
aftercost
aftercost
noun
(accounting) A subsequent expense related to but occurring after the source of an expenditure.
(by extension) A subsequent burden or loss resulting from an endeavor.
aftercrop
aftercrop
noun
A second crop in the same year.
afterform
afterglow
afterglow
noun
An afterparty.
The glow seen in the sky after sunset.
The light emitted by a phosphor after excitation.
The light emitted by an incandescent object while cooling.
The mildly euphoric feeling experienced after a pleasurable experience, especially after an orgasm or drug-induced high.
aftergood
afterhold
afterhope
afterloss
afterlove
aftermost
aftermost
adj
(nautical) Nearest the stern of a vessel.
(obsolete) Most recent.
adv
(obsolete) At the very back.
afternoon
afternoon
adv
(more often in the plural) In the afternoon.
intj
Ellipsis of good afternoon..
noun
(figuratively) The later part of anything, often with implications of decline.
(informal) A party or social event held in the afternoon.
The part of the day from noon or lunchtime until sunset, evening, or suppertime or 6pm.
afternose
afternote
afternote
noun
A note appended after the main body of text.
afterroll
aftersong
afterword
afterword
noun
(of a letter) a postscript.
(to a book) an appendix.
an epilogue.
afterwork
afterwort
agreation
agrigento
agrigento
Proper noun
The capital city of Agrigento.
agriotype
agriotype
noun
An ancestral wild form of a domestic animal or plant.
airometer
airometer
noun
A hollow cylinder to contain air. It is closed above and open below, and has its open end plunged into water.
akroteria
akroteria
noun
plural of akroterion
albertson
aldershot
aldershot
Proper noun
A town in Hampshire, England.
aleatoric
aleatoric
adj
(art, music, not comparable) Of or pertaining to works that have been produced with an element of chance (aleatoricism).
Having an element of chance.
alectoria
alectoria
noun
A magical stone said to be found in the gizzard of cocks.
alectoris
alectrion
alectryon
alembroth
alembroth
noun
(archaic) The "salt of wisdom" of the alchemists, a double salt composed of the chlorides of ammonium and mercury, formerly used as a stimulant.
alentours
aleuronat
aleuronat
noun
(archaic) flour made of aleurone, used as a substitute for ordinary flour in preparing bread for diabetics
algometer
algometer
noun
An instrument for measuring pain-inducing stimuli, and the sensitivity to such stimuli.
algometry
algometry
noun
(medicine) The scientific measurement of responses to pain stimuli.
alienator
alienator
noun
A person who alienates.
allectory
allegator
allegator
noun
(obsolete) A person who alleges
allenport
allometry
allometry
noun
(biology) Disproportionate growth of a part of a living organism in relation to the whole.
(biology) The science studying the differential growth rates of the parts of a living organism.
allotrope
allotrope
noun
(chemistry) Any form of an element that has a distinctly different molecular structure to another form of the same element.
(linguistics) An other form, a different shape of a lexical unit.
(philosophy) An alternative shape of a cognitive structure.
allotters
allotters
noun
plural of allotter
allottery
allottery
noun
(obsolete) Allotment. portion, allocation.
altdorfer
altometer
altometer
noun
A theodolite.
amarettos
amatories
ambrotype
ambrotype
noun
(photography, historical) An early type of photograph in which a glass negative appears positive when displayed on a black background.
ametropia
ametropia
noun
(medicine) Any of several disorders of the eye (spherical or cylindrical) resulting from faulty refractive ability.
ametropic
ametropic
adj
(ophthalmology) Relating to or suffering from ametropia
amitroles
amorettos
amorettos
noun
plural of amoretto
amortised
amortised
verb
simple past tense and past participle of amortise
amortises
amortises
verb
Third-person singular simple present indicative form of amortise
amortized
amortized
verb
simple past tense and past participle of amortize
amortizes
amortizes
verb
Third-person singular simple present indicative form of amortize
amounters
amourette
amourette
noun
A cupid.
A petty love affair.
The love grass, or quaking grass.
anachoret
anacortes
ancestors
ancestors
noun
plural of ancestor
verb
Third-person singular simple present indicative form of ancestor
anchorate
anchorets
anchorets
noun
plural of anchoret
anchorite
anchorite
noun
One who lives in isolation or seclusion, especially for religious reasons; hermit.
andreotti
androcyte
anestrous
anestrous
adj
not estrous
of, or pertaining to, anestrus
aniseroot
aniseroot
noun
Any of certain North American herbs of the genus Osmorhiza.
annotater
annotater
noun
Misspelling of annotator.
anoestrum
anoestrus
anoestrus
noun
Alternative spelling of anestrus
anointers
anointers
noun
plural of anointer
anorectal
anorectal
adj
(anatomy) Of or pertaining to the anus and the rectum.
anorectic
anorectic
adj
Causing a loss of appetite.
Characterised by a lack of appetite, especially as suffering from anorexia nervosa; anorexic.
noun
A drug or dietary supplement that reduces the appetite so as to promote weight loss.
A person suffering from anorexia nervosa; an anorexic.
anorthite
anorthite
noun
(mineralogy) A variety of plagioclase feldspar, the calcium endmember of that series.
anorthose
anoterite
antechoir
antechoir
noun
The division of a choir, that is divided as in some Spanish churches, that is further away from the sanctuary.
The part of a church in front of the choir, often reserved for the clergy and choristers.