A skylight or other device whose purpose is to direct light into a room.
abattoir
abattoir
noun
A place or event likened to a slaughterhouse, because of great carnage or bloodshed.
A public slaughterhouse for cattle, sheep, etc.
abbotric
abbotric
noun
(obsolete) An abbacy.
abditory
abditory
noun
(rare) A concealed location used for storage or to hide items.
abductor
abductor
noun
(anatomy) A muscle which serves to draw a part out, or from the median line of the body
One who abducts; a kidnapper.
abettors
abettors
noun
plural of abettor
aborters
aborters
noun
plural of aborter
aborting
aborting
verb
present participle of abort
abortion
abortion
noun
(biology) Arrest of development of any organ, so that it remains an imperfect formation or is absorbed.
(figuratively) A misshapen person or thing; a monstrosity.
(figuratively) Failure or abandonment of a project, promise, goal etc.
(medicine) The expulsion from the womb of a foetus or embryo before it is fully developed, with loss of the foetus; either naturally as a spontaneous abortion (now usually called a miscarriage), or deliberately as an induced abortion.
(now rare) An aborted foetus; an abortus.
The cessation of an illness or disease at a very early stage.
abortive
abortive
adj
(biology) Imperfectly formed or developed; rudimentary; sterile.
(medicine) Cutting short; acting to halt or slow the progress (of a disease).
(obsolete) Produced by abortion; born prematurely and therefore unnatural.
(obsolete) A medicine to which is attributed the property of causing abortion, abortifacient.
(obsolete) Someone or something born or brought forth prematurely; an abortion.
verb
(transitive, obsolete) To cause an abortion; to render without fruit.
abrastol
abrogate
abrogate
adj
(archaic) Abrogated; abolished.
verb
(molecular biology, transitive) To block a process or function.
(transitive) To put an end to; to do away with.
(transitive, law) To annul by an authoritative act; to abolish by the authority of the maker or her or his successor; to repeal; — applied to the repeal of laws, decrees, ordinances, the abolition of customs, etc.
abrotine
abrotine
noun
A colorless crystalline alkaloid obtained from abrotanum, C₂₁H₂₂N₂O.
abruptio
abruptio
noun
(music) An abrupt pause or stop; an abruption.
accentor
accentor
noun
(music, obsolete) One who sings the leading part; the director or leader.
(obsolete) The ovenbird, Seiurus aurocapilla.
Any bird of the Eurasian genus Prunella, such as the dunnock.
acceptor
acceptor
noun
(biochemistry) A transfer RNA molecule that can accept a specific amino acid
(chemistry) An atom or molecule which can accept an electron to form a chemical bond.
(computing theory) A kind of finite-state machine whose binary output indicates whether or not a received input was accepted.
(law, commerce) One who accepts a draft or a bill of exchange; a drawee after he has accepted.
(physics) A chemical acceptor atom forming a positive hole in a semiconductor
(physiology) A cluster of skin cells that respond to pain
One who accepts.
accouter
accouter
verb
(transitive) To furnish with dress or equipments, especially those for military service
accoutre
accoutre
verb
(Commonwealth) Alternative form of accouter
accutron
achatour
achatour
noun
(historical) A purveyor of provisions; a provedore. [14th–18th c.]
achroite
achroite
noun
(mineralogy) A colourless form of tourmaline
achromat
achromat
noun
(optics) A lens that imparts little color; a lens that is achromatic.
ackworth
acounter
acroatic
acroatic
adj
acroamatic
acrobats
acrobats
noun
plural of acrobat
verb
Third-person singular simple present indicative form of acrobat
acrocyst
acrocyst
noun
A chitinous cyst of the gonophore at the top of the gonotheca in some hydroids
acrodont
acrodont
adj
Having teeth immovably united to the top of the alveolar ridge.
noun
One of a group of lizards having the teeth immovably united to the top of the alveolar ridge
acrolith
acrolith
noun
(historical) An ancient Greek wooden statue furnished with a rupestral head and limbs.
acrostic
acrostic
adj
Of or pertaining to acrostics.
noun
A kind of word puzzle, the solution of which forms an anagram of a quotation, and their initials often form the name of its author.
A poem in Hebrew in which successive lines or verses start with consecutive letters of the alphabet.
A poem or other text in which certain letters, often the first in each line, spell out a name or message.
acrotism
acrotism
noun
(medicine) A lack or defect of the pulse.
actioner
actioner
noun
(informal) An action movie.
actorish
actorish
adj
Of, pertaining to, or characteristic of an actor or theatrical acting; like an actor.
actuator
actuator
noun
(computer hardware) The mechanism that moves the head assembly on a disk drive.
(electrical) A relay that controls the flow of electricity.
A usually electric device that causes a mechanical device (i.e., a mechanism) to be switched on or off. For example; an electric motor that opens and closes a valve.
Something that actuates something else.
adaptors
adaptors
noun
plural of adaptor
additory
additory
adj
(rare) Tending to add; making some addition.
adductor
adductor
noun
(anatomy) A muscle which draws a limb or part of the body toward the middle line of the body, or closes extended parts of the body; -- opposed to abductor
adjustor
adjustor
noun
Alternative form of adjuster
adjutory
adjutory
adj
(obsolete) Serving to help or assist.
adopters
adopters
noun
plural of adopter
adoretus
adrastos
adrogate
adrogate
verb
(transitive, Ancient Rome, law, historical) To adopt (a person who is his own master).
adroiter
adroiter
adj
comparative form of adroit: more adroit
adroitly
adroitly
adv
Deftly; in an adroit manner.
In a manner exhibiting skill at handling situations, particularly difficult situations.
adrostal
adulator
adulator
noun
One who lavishes excessive praises or flattery; one who adulates.
aegrotat
aegrotat
noun
(Britain) An unclassified degree awarded to such a student.
(Britain, dated) A certificate indicating that a student is ill, excusing attendance at lectures and examinations and allowing courses to be passed without finishing the work.
aeration
aeration
noun
By extension, a process in which other gases (such as carbon dioxide or nitrogen or argon) are circulated through or mixed with a substance (usually liquid), sometimes with the consequence of increasing the transfer of air into the same liquid at the surface due to the induced circulation.
The process by which air is circulated through or mixed with a substance such as soil or a liquid.
aerators
aerators
noun
plural of aerator
aerobate
aerobate
verb
(aviation) To perform aerobatics.
aeroboat
aeroboat
noun
(archaic) A form of hydroaeroplane; a flying boat.
aerocyst
aerocyst
noun
An air vesicle.
aeroduct
aeroduct
noun
A proposed form of ramjet that harnesses charged particles in the upper atmosphere
aeroflot
aeroflot
Proper noun
The largest airline in Russia.
aerolite
aerolite
noun
A meteorite consisting of silicate minerals.
aerolith
aerolith
noun
(chiefly historical) A meteorite.
aeronaut
aeronaut
noun
A person who travels through the air in an airship or balloon.
aerosats
aerostat
aerostat
noun
A moored balloon flown in a semi-permanent manner, such as a border patrol monitoring balloon affixed at 18,000 feet (~6 km).
An aircraft, such as a dirigible or balloon, that derives its lift from buoyancy rather than from wings or rotors.
aetosaur
aetosaur
noun
(paleontology) Any of an extinct group of heavily armoured herbivorous archosaurian reptiles, of the order Aetosauria
affector
affector
noun
A nerve cell that directly activates a muscle
afforest
afforest
verb
(transitive) To make into forest
affronts
affronts
noun
plural of affront
verb
Third-person singular simple present indicative form of affront
affronty
affronty
Adjective
Facing the observer.
afteroar
agitator
agitator
noun
(historical) One of a body of men appointed by the army, in Oliver Cromwell's time, to look after their interests.
An implement for shaking or mixing.
One who agitates; one who stirs up or excites others, for example political reformers.
agitprop
agitprop
noun
(countable) An instance of such propaganda.
(countable) An organization or person engaged in disseminating such propaganda.
(uncountable, also attributively) Political propaganda disseminated through art, drama, literature, etc., especially communist propaganda; (specifically, communism, historical) such propaganda formerly disseminated by the Department for Agitation and Propaganda of the Central Committee of the Communist Party of the Soviet Union.
verb
(transitive, intransitive, politics) To disseminate (something as) political propaganda, especially communist propaganda, through art, drama, literature, etc.
agriotes
agrostis
agrostis
noun
Any grass of the genus Agrostis, bentgrass.
agrotera
agrotype
agrotype
noun
A type of soil used for agriculture
airboats
airboats
noun
plural of airboat
airports
airports
noun
plural of airport
airposts
aisteoir
alagarto
alastors
alastors
noun
plural of alastor
albatros
albatros
noun
Obsolete form of albatross.
alberton
alberton
Proper noun
A town in Montana
A township in Ontario
A town in Prince Edward Island, Canada
A town in Gauteng Province, South Africa
A town in Victoria, Australia
aleatory
aleatory
adj
(art, music) Produced with an element of chance (aleatoricism).
Depending on the throw of a die; random, arising by chance.
algaroth
algaroth
noun
Alternative form of algarot
algorist
algorist
noun
One who develops algorithms.
One who uses arabic numerals to represent numbers and to perform calculations, as opposed to one who uses Roman numerals to represent numbers and an abacus to perform calculations.
The aspect of a biological organism that follows a systematic process to interpret perceptual data.
allerton
allerton
Proper noun
A suburb of Liverpool, England.
A suburb of Bradford, England.
A village in Illinois, United States.
A small city in Iowa, United States.
allotter
allotter
noun
One who allots
allthorn
aloeroot
alsworth
althorns
althorns
noun
plural of althorn
alumroot
alumroot
noun
Any of several perennial herbs, of the genus Heuchera, native to North America.
Flowering plants of genus Geranium, also called wild geraniums or cranesbills.
alverton
alyworth
amaretto
amaretto
noun
(countable) A glass of that liqueur.
(countable) A light Italian cookie made with almonds.
(uncountable, countable) A sweet-bitter liqueur originating from Italy (but also produced in Turkey), flavored with almonds and a secret blend-specific mix of some 200 ingredients such as the pits from apricots, peaches, cherries or other stone fruits.
amatorio
ametrope
ametrous
amfortas
amintore
amitrole
amitrole
noun
(organic chemistry) The heterocyclic amine 3-amino-1,2,4-triazole that is used as a nonselective systemic triazole herbicide on nonfood croplands
amorette
amorette
noun
Obsolete form of amoret.
amoretti
amoretto
amoretto
noun
(in art) A cupid or putto (representation of a naked baby or small child, often with wings).
A love poem.
A male sweetheart, lover.
amorists
amorists
noun
plural of amorist
amoritic
amoritic
Adjective
Of or pertaining to the Amorites or their language.
amoritta
amortise
amortise
verb
(British spelling) Alternative form of amortize
amortize
amortize
verb
(transitive) To alienate (property) in mortmain.
(transitive) To wipe out (a debt, liability etc.) gradually or in installments.
(transitive, computer science) To even out the costs of running an algorithm over many iterations, so that high-cost iterations are much less frequent than low-cost iterations, which lowers the average running time.
amounter
amourist
amourist
noun
Alternative form of amorist
ancestor
ancestor
noun
(figuratively) One who had the same role or function in former times.
(law) One from whom an estate has descended;—the correlative of heir.
(linguistics) A word or phrase which serves as the origin of a term in another language.
An earlier type; a progenitor
One from whom a person is descended, whether on the father's or mother's side, at any distance of time; a progenitor; a forefather.
verb
(transitive) To be an ancestor of.
anchoret
anchoret
noun
Alternative spelling of anchorite
andorite
andorite
noun
(mineralogy) A white mineral containing antimony, lead, silver, and sulfur.
androuet
anerotic
angiport
angiport
noun
(obsolete) A narrow road passing between two houses or a row of houses, or an alley leading to a single house.
angstrom
angstrom
noun
(physics) A unit of length equal to 10⁻¹⁰ meters (that is, one ten-billionth of a meter), approximately the size of an atom, and denoted by the symbol Å, used especially to measure the wavelength of electromagnetic radiation or distances between atoms.
animator
animator
noun
One who animates something; one who brings something to life or the appearance of life.
One who creates an animation or cartoon; a cartoonist.
anointer
anointer
noun
One who anoints.
anoretic
anoretic
adj
Alternative form of anorexic
anorthic
anorthic
adj
(crystallography) Having three unequal axes that intersect obliquely
anteport
anteport
noun
An outer port, gate, or door.
anterior
anterior
adj
(anatomy) Nearer the forward end, especially in the front of the body; nearer the head or forepart of an animal.
(botany) (of a part of a flower or leaf) Situated further away from the mainstem.
(formal) Coming before or earlier in time or development, prior to, preceding.
(phonetics) Pronounced with an obstruction located in front of the palato-alveolar region of the mouth, e.g. b, p, d, t.
anteroom
anteroom
noun
A room before, or forming an entrance to, another; a waiting room.
anthroic
anthrone
anthrone
noun
(organic chemistry) A tricyclic aromatic ketone, used in a popular cellulose assay and in the colorimetric determination of carbohydrates; any derivative of this compound
anticorn
antidora
antidora
noun
plural of antidoron
antihero
antihero
noun
(literature, role-playing games) A protagonist who proceeds in an unheroic manner, such as by criminal means, via cowardly actions, or for mercenary goals.
antiriot
antiriot
adj
Serving to counteract rioting.
antiroll
antiroll
adj
antisway
antproof
antproof
adj
Resistant to ants.
verb
(transitive) To make resistant to ants.
antrorse
antrorse
adj
(biology) Curved or pointed forward or upward.
aoristic
aoristic
adj
(grammar) Of, or relating to the aorist aspect.
aortitis
aortitis
noun
(pathology) Inflammation of the aorta.
aotearoa
aotearoa
Proper noun
The North Island of New Zealand.
New Zealand.
apartado
apastron
apastron
noun
(astronomy) The point of greatest separation between a celestial object and the star which it orbits.
apertion
apertion
noun
(archaic) An opening; an aperture.
(archaic) The act of opening.
aphorist
aphorist
noun
A person who creates or recites aphorisms.
apocrita
aporetic
aporetic
adj
Tending to doubt.
apprompt
apricots
apricots
noun
plural of apricot
aproctia
apteroid
apterous
apterous
adj
(biology) Destitute of winglike membranous expansions, as a stem or petiole.
(zoology) Destitute of wings; wingless.
arabitol
arabitol
noun
(biochemistry) A sugar alcohol derived from the pentose arabinose
araeotic
araguato
araguato
noun
A South American howler monkey, the ursine howler (Alouatta arctoidea).
arathorn
arboreta
arboreta
noun
plural of arboretum
arborist
arborist
noun
A person in the practice of arboriculture; a tree surgeon
arbroath
arbroath
Proper noun
a coastal town and former royal burgh in council area, Scotland