(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.
abhorrers
abhorrers
noun
plural of abhorrer
abnegator
abnegator
noun
(rare) One who abnegates, denies, or rejects.
aboardage
abolisher
abolisher
noun
Agent noun of abolish; one who abolishes.
aborigine
aborigine
noun
(in the plural) The native flora and fauna of an area.
A native inhabitant of a country; a member of the original people.
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.
abreuvoir
abreuvoir
noun
(obsolete, masonry) The joint or interstice between stones, to be filled with mortar.
A cold water drinking fountain (for people) typically found in a public location; more generally, any fountain or water source (including for animals like birds, horses etc).
abrogable
abrogable
adj
capable of being abrogated.
abrogated
abrogated
verb
simple past tense and past participle of abrogate
abrogates
abrogates
verb
Third-person singular simple present indicative form of abrogate
absarokee
absconder
absconder
noun
A person who absconds.
absoluter
absoluter
adj
(rare) comparative form of absolute: more absolute
absolvers
absolvers
noun
plural of absolver
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.
absorbers
absorbers
noun
plural of absorber
accentors
accentors
noun
plural of accentor
acceptors
acceptors
noun
plural of acceptor
accessors
accessors
noun
plural of accessor
accessory
accessory
adj
(law) Assisting a crime without actually participating in committing the crime itself; being connected as an incident or subordinate to a principal.
Having a secondary, supplementary or subordinate function by accompanying as a subordinate; aiding in a secondary way; being additional; contributing or being contributory. Said of things and actions, very rarely of people (and then usually in a humorous version of the legal sense [or due to confusion between the noun and the adjective]).
Present in a minor amount, and not essential.
noun
(art) Something in a work of art without being indispensably necessary, for example solely ornamental parts.
(fashion) An article that completes one's basic outfit, such as a scarf or gloves.
(law) A person who is not present at a crime, but contributes to it as an assistant or instigator.
Something that belongs to part of another main thing; something additional and subordinate, an attachment.
accorders
accorders
noun
plural of accorder
accounter
accounter
noun
A person providing an account of events.
A person providing an accounting of expenditure or other actions.
accourage
accourage
Verb
To encourage.
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.
accroides
accroides
noun
acaroid resin
acentrous
acentrous
adj
(ichthyology) lacking vertebral centra
acheirous
acheirous
adj
Of or pertaining to acheiria (lacking one or both hands)
achordate
achordate
adj
(biology) Not having a proto-spinal chord at any stage of development.
achromate
achyrodes
acneiform
acneiform
adj
(pathology) Alternative form of acneform
acopyrine
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
acrodrome
acrodrome
adj
(botany, of the veins of a leaf) That run parallel to the edges of the leaf and meet at the tip
acrogenic
acrogenic
adj
Alternative form of acrogenous
acrogynae
acroleins
acroleins
noun
plural of acrolein
acrologue
acrometer
acropetal
acropetal
adj
(botany) That develops, matures or opens from the base towards the apex in sequence.
acrosomes
acrosomes
noun
plural of acrosome
acrospire
acrospire
noun
(botany) The sprout at the end of a seed when it begins to germinate.
verb
To put forth the first sprout.
acrospore
acrospore
noun
A spore borne at the extremity of the cells of fructification in fungi.
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.
addressor
addressor
noun
Alternative form of addresser
adeniform
adeniform
adj
Shaped like a gland; adenoid.
adffrozen
adipocere
adipocere
noun
A brown, fatty, waxy substance (fatty acids) that forms on dead animal tissues in response to hydrolysis
adjourned
adjourned
adj
(of a meeting, event or trial) Having been adjourned; suspended or paused.
verb
simple past tense and past participle of adjourn
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.
adversion
adversion
noun
(obsolete) An adverting or turning towards; attention.
A tendency or wish to avoid someone or something.
aegicores
aegrotant
aepyceros
aepyornis
aequoreal
aequoreal
adj
(archaic, rare, poetic) marine; oceanic
aequorins
aequorins
noun
plural of aequorin
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
aerobious
aerobious
adj
(obsolete) aerobic
aerocraft
aerocraft
noun
(dated or nonstandard) An aircraft.
aerocurve
aerocurve
noun
(aviation, historical) A kind of early aeroplane with curved surfaces.
aerodrome
aerodrome
noun
(Britain) An airfield equipped with air traffic control facilities and hangars as well as accommodation for passengers and cargo; an airport.
(law, Australia, Canada, term of art) Any area of land or water used for aircraft operation, regardless of facilities.
(obsolete) A flying machine composed of aeroplanes. An aeroplane, particularly one constructed by or according to the design of Samuel Pierpont Langley and Charles M. Manly.
An airfield used for managed aircraft operation, either military or civilian, having such facilities as are necessary for operation.
An airfield:
aeroducts
aeroducts
noun
plural of aeroduct
aerodynes
aerodynes
noun
plural of aerodyne
aerofoils
aerofoils
noun
plural of aerofoil
aerogenes
aerogenic
aerogenic
adj
(biology) Producing gas or air (used especially of some bacteria)
aerognosy
aerograms
aerograms
noun
plural of aerogram
aerograph
aerograph
noun
A kind of airbrush.
aerolites
aerolites
noun
plural of aerolite
aeroliths
aeroliths
noun
plural of aerolith
aerolitic
aerolitic
adj
Of or pertaining to aerolites.
aerologic
aerologic
adj
Pertaining to aerology, characteristic of aerology.
aeromancy
aeromancy
noun
Divination by use of atmospheric conditions.
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
aeronomer
aeronomer
noun
One who studies aeronomy.
aeronomic
aeronomic
Adjective
Of or pertaining to aeronomy
aeropathy
aeropathy
noun
illness caused by a change in atmospheric pressure
aeropause
aeropause
noun
The region of the atmosphere above which it is not possible for aircraft to fly
aerophagy
aerophagy
noun
(medicine) the swallowing of air, especially in hysteria.
aerophane
aerophane
noun
A thin fabric resembling crape
aerophile
aerophile
noun
(biology) Any air-breathing organism.
One who has an interest in flying.
aerophone
aerophone
noun
(dated) A form of combined speaking trumpet and ear trumpet.
(dated) An instrument for greatly intensifying speech, consisting of a phonograph diaphragm arranged so that its action opens and closes valves, producing synchronous air blasts sufficient to operate a larger diaphragm with greater amplitude of vibration.
Any musical instrument which produces sound primarily by causing a body of air to vibrate, without the use of strings or membranes, and without the vibration of the instrument itself adding considerably to the sound.
aerophore
aerophore
noun
(botany) A thin-walled area of the roots of some plants growing in swampy conditions through which gasses are exchanged.
(historical) A nineteenth-century device with breathing tubes used by miners and workmen in areas that contain toxic fumes.
(historical) A predecessor of the radio, invented by Rene Homer in the early 1900s for communication between ships.
(medicine) Aerophore pulmonaire; a respirator for use with neonates and small animals developed by French obstetrician Gairal in 1879.
(underwater diving, historical) A predecessor of the aqualung, invented by Benoit Rouquayrol and Auguste Denayrouze 1865
aerophoto
aerophoto
noun
Alternative form of aerophotograph
aerophyte
aerophyte
noun
(biology) epiphyte
aeroplane
aeroplane
noun
(aeronautics, archaic) An airfoil.
A powered heavier-than-air aircraft with fixed wings.
Any of various nymphalid butterflies, of various genera, having a slow gliding flight. Also called planes.
verb
(intransitive) To fly in an aeroplane.
(transitive) To transport by aeroplane.
aeropulse
aeropulse
noun
pulsejet
aeroscope
aeroscope
noun
A device used to collect dust particles, spores etc from the air for subsequent analysis.
A type of compressed air camera for making films, constructed by Polish inventor Kazimierz Prószyński in 1909
aeroscopy
aeroscopy
noun
(obsolete, meteorology) The branch of meteorology that involves the scientific examination of the various properties and composition of the atmosphere, and their variation
(rare) divination by observation of the sky
(zoology) aeroscepsy
aerospace
aerospace
adj
Of, or relating to the Earth's atmosphere and nearby space.
Of, or relating to the science, technology and industry associated with aircraft, missiles, satellites and spacecraft.
noun
The atmosphere of the Earth and the region of space around it.
The industry concerned with aircraft, missiles, satellites and spacecraft.
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.
aforehand
aforehand
adj
Beforehand in condition; forehanded.
adv
(archaic or dialect) Beforehand; in advance; in anticipation.
aforesaid
aforesaid
adj
Previously stated; said or named before.
aforetime
aforetime
adj
(archaic) Former.
adv
(archaic) In time past; in a former time; formerly.
aforeward
afrogaean
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
aggressor
aggressor
noun
The person or country that first attacks or makes an aggression; that begins hostility or a quarrel; an assailant.