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.
abderite
abderite
Noun
An inhabitant or native of Abdera, in Thrace.
Democritus, the Laughing Philosopher.
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.
abeltree
abeltree
noun
A Eurasian tree, Populus alba, that is widely cultivated in North America.
abernant
aberrant
aberrant
adj
(botany, zoology) Deviating from the ordinary or natural type; exceptional; abnormal.
(sometimes figuratively) Straying from the right way; deviating from morality or truth.
Differing from the norm.
noun
(biology) A group, individual, or structure that deviates from the usual or natural type, especially with an atypical chromosome number.
A person or object that deviates from the rest of a group.
aberrate
aberrate
verb
(intransitive) To go astray; to diverge; to deviate (from); deviate from.
(transitive) To distort; to cause aberration of.
abetters
abetters
noun
plural of abetter
abettors
abettors
noun
plural of abettor
abiathar
abiathar
Proper noun
In the Old Testament, a Hebrew high priest during the reign of King David.
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.
abradant
abradant
adj
Tending to abrade; causing irritation; abrasive.
noun
A material used for grinding, as emery, sand, powdered glass, etc.; an abrasive.
abrastol
abrazite
abreacts
abreacts
verb
Third-person singular simple present indicative form of abreact
abristle
abristle
adj
Bristling.
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.
abrupter
abrupter
adj
comparative form of abrupt: more abrupt
abruptio
abruptio
noun
(music) An abrupt pause or stop; an abruption.
abruptly
abruptly
adv
In an abrupt manner; without giving notice, or without the usual forms; suddenly; precipitously.
absenter
absenter
adj
(rare) comparative form of absent: more absent
noun
One who stays away; one who absents herself or himself.
absterge
absterge
verb
(transitive, archaic, now rare) To make clean by wiping; to wipe away.
absterse
absterse
verb
(transitive, now rare) To absterge; to cleanse; to purge away.
abstract
abstract
adj
(archaic) Absent-minded.
(art, often capitalized) Free from representational qualities, in particular the non-representational styles of the 20ᵗʰ century.
(dance) Lacking a story.
(grammar) As a noun, denoting a concept or intangible as opposed to an object, place, or person.
(object-oriented programming, of a class) Being a partial basis for subclasses rather than a complete template for objects.
(obsolete) Derived; extracted.
Apart from practice or reality; vague; theoretical; impersonal; not applied.
Difficult to understand; abstruse; hard to conceptualize.
Insufficiently factual.
Not concrete: conceptual, ideal.
Pertaining comprehensively to, or representing, a class or group of objects, as opposed to any specific object; considered apart from any application to a particular object: general, generic, nonspecific; representational.
Separately expressing a property or attribute of an object that is considered to be inherent to that object: attributive, ascriptive.
noun
(art) An abstract work of art.
(medicine) A powdered solid extract of a medicinal substance mixed with lactose.
(real estate) A summary title of the key points detailing a tract of land, for ownership; abstract of title.
An abridgement or summary of a longer publication.
An abstraction; an abstract term; that which is abstract.
Concentrated essence of a product.
Something that concentrates in itself the qualities of a larger item, or multiple items.
The theoretical way of looking at things; something that exists only in idealized form.
verb
(intransitive, computing) To produce an abstraction, usually by refactoring existing code. Generally used with "out".
(intransitive, fine arts) To create abstractions.
(intransitive, rare) To perform the process of abstraction.
(intransitive, reflexive, literally, figuratively) To withdraw oneself; to retire.
(transitive) To consider abstractly; to contemplate separately or by itself; to consider theoretically; to look at as a general quality.
(transitive) To draw off (interest or attention).
(transitive) To remove; to take away; withdraw.
(transitive) To separate; to disengage.
(transitive) To summarize; to abridge; to epitomize.
(transitive, euphemistic) To steal; to take away; to remove without permission.
(transitive, obsolete) To extract by means of distillation.
He was wholly abstracted by other objects.
To conceptualize an ideal subgroup by means of the generalization of an attribute, as follows: by apprehending an attribute inherent to one individual, then separating that attribute and contemplating it by itself, then conceiving of that attribute as a general quality, then despecifying that conceived quality with respect to several or many individuals, and by then ideating a group composed of those individuals perceived to possess said quality.
abstrict
abstrict
verb
(transitive, biology, mycology) To cut off, as in abstriction; abjoint
abstrude
abstrude
verb
(obsolete, transitive) To thrust away.
abstruse
abstruse
adj
(obsolete) Concealed or hidden; secret.
Difficult to comprehend or understand; obscure.
absyrtus
abutters
abutters
noun
plural of abutter
acardite
acardite
noun
(organic chemistry) n-methyl-n',n'-diphenylurea, used to stabilize chemicals and as a plasticizer.
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.
accepter
accepter
noun
(law) An acceptor; one who accepts an order or a bill of exchange.
(obsolete) A respecter; one who views others with partiality.
A person who accepts; a taker.
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.
accipter
accouter
accouter
verb
(transitive) To furnish with dress or equipments, especially those for military service
accoutre
accoutre
verb
(Commonwealth) Alternative form of accouter
accredit
accredit
verb
(transitive) To ascribe; attribute; credit with.
(transitive) To believe; to put trust in.
(transitive) To certify as meeting a predetermined standard; to certify an educational institution as upholding the specified standards necessary for the students to advance.
(transitive) To enter on the credit side of an account book.
(transitive) To put or bring into credit; to invest with credit or authority; to sanction.
(transitive) To recognize as outstanding.
(transitive) To send with letters credential, as an ambassador, envoy, or diplomatic agent; to authorize, as a messenger or delegate.
(transitive, literally) To credit.
accretal
accretal
adj
Relating to, or formed by, accretion.
noun
An accretion.
accreted
accreted
verb
simple past tense and past participle of accrete
accretes
accretes
verb
Third-person singular simple present indicative form of accrete
accurate
accurate
adj
(obsolete) Precisely fixed; executed with care; careful.
Deviating only slightly or within acceptable limits.
Telling the truth or giving a true result; exact; not defective or faulty
accutron
acentric
acentric
adj
Not centered; without a centre
noun
A segment of a chromosome that lacks a centromere
acerated
acerated
adj
Synonym of acerate
acerates
acerates
noun
plural of acerate
acerbate
acerbate
adj
(rare) Embittered; having a sour disposition or nature.
verb
(transitive) To exasperate; to irritate.
(transitive) To make bitter or sour.
acerbest
acerbest
adj
superlative form of acerb: most acerb
acerbity
acerbity
noun
(countable) Something harsh (e.g. a remark, act or experience).
Harshness, bitterness, or severity
Sourness of taste, with bitterness and astringency, like that of unripe fruit.
acervate
acervate
adj
(chiefly botany, rare) Heaped, or growing in heaps, or closely compacted clusters.
verb
(obsolete) To heap up.
acetract
acetract
noun
(medicine) In botanical medicine, a vinegar extract of herbs.
aceturic
achatour
achatour
noun
(historical) A purveyor of provisions; a provedore. [14th–18th c.]
achirite
achirite
noun
dioptase
achroite
achroite
noun
(mineralogy) A colourless form of tourmaline
achromat
achromat
noun
(optics) A lens that imparts little color; a lens that is achromatic.
acierate
acierate
verb
(rare, transitive) To convert (iron) into steel, or to coat with a layer of steel by converting only the surface of the iron.
ackworth
acounter
acridest
acridest
adj
superlative form of acrid: most acrid
acridity
acridity
noun
(figurative) Bitterness in speech or behaviour; causticness.
An acrid taste or smell.
Bitterness or acerbity.
acritude
acritude
noun
acridity; pungency combined with heat.
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.
acrylate
acrylate
noun
(organic chemistry) Any salt or ester of acrylic acid.
actifier
actifier
noun
(chemistry) Synonym of reactivator
actioner
actioner
noun
(informal) An action movie.
actorish
actorish
adj
Of, pertaining to, or characteristic of an actor or theatrical acting; like an actor.
actressy
actressy
adj
Characteristic of an actress
Histrionic or theatrical
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.
adalbert
adapters
adapters
noun
plural of adapter
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
adelbert
adherant
adherent
adherent
adj
(botany) Attaching or pressing against a different organ.
Adhesive, sticking to something.
Having the quality of clinging or sticking fast to something.
noun
A person who has membership in some group, association or religion.
adjuster
adjuster
noun
One who adjusts, especially for the insurance industry's employment title "loss adjuster" (or "claims adjuster" in the United States).
adjustor
adjustor
noun
Alternative form of adjuster
adjutory
adjutory
adj
(obsolete) Serving to help or assist.
adjutrix
adjutrix
noun
A female adjutor.
admitter
admitter
noun
Someone who or something which admits.
adopters
adopters
noun
plural of adopter
adoretus
adrastea
adrastea
Proper noun
The goddess of divine retribution
Smallest of the four inner moons of Jupiter.
adrastos
adrastus
adrectal
adrestus
adriatic
adriatic
Adjective
Of or pertaining to the Adriatic Sea
Proper noun
The Adriatic Sea, an extension of the Mediterranean Sea located between Italy and the Dalmatian coast of the Balkans.
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
adscript
adscript
adj
Held to service as attached to the soil; said of feudal serfs.
noun
(typography) Something written or printed immediately after another character and aligned with it.
A feudal serf or labourer who is attached to an estate and sold or transferred with it.
verb
(transitive) To hold (a person) to service as attached to the soil; said of feudal serfs.
adsheart
adsheart
intj
(obsolete) Synonym of zounds
adstrict
adstrict
verb
Alternative form of astrict
adulator
adulator
noun
One who lavishes excessive praises or flattery; one who adulates.
adultery
adultery
noun
(biblical) Faithlessness in religion.
(biblical) Lewdness or unchastity of thought as well as act, as forbidden by the seventh commandment.
(ecclesiastical) The intrusion of a person into a bishopric during the life of the bishop.
(obsolete) Injury; degradation; ruin.
(obsolete) The fine and penalty formerly imposed for the offence of adultery.
(political economy) Adulteration; corruption.
Sexual intercourse by a married person with someone other than their spouse.
adventry
adverted
adverted
verb
simple past tense and past participle of advert
aegirite
aegirite
noun
(mineralogy, rare) aegirine
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.
aegyrite
aerating
aerating
verb
present participle of aerate
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.
aestuary
aethered
aetheria
aetheric
aetheric
adj
Alternative spelling of etheric
aetosaur
aetosaur
noun
(paleontology) Any of an extinct group of heavily armoured herbivorous archosaurian reptiles, of the order Aetosauria
affecter
affecter
noun
A person who affects to know something or to be something.
affector
affector
noun
A nerve cell that directly activates a muscle
afferent
afferent
adj
Carrying towards.
noun
An afferent structure or connection
afforest
afforest
verb
(transitive) To make into forest
affright
affright
adj
afraid; terrified; frightened
noun
(archaic) Great fear, terror, fright.
verb
(archaic, transitive) To inspire fright in; to frighten, to terrify.
affronts
affronts
noun
plural of affront
verb
Third-person singular simple present indicative form of affront
affronty
affronty
Adjective
Facing the observer.
aflutter
aflutter
adj
Filled or covered (with something that flutters).
Fluttering.
In a state of tremulous excitement, anticipation or confusion.
afteract
afterage
afterage
noun
An age occurring afterwards; a later era.
afterbay
afterbay
noun
(hydrology) a stream, conduit, pond or reservoir, of a hydroelectric power plant at the outlet of the turbines.
afterend
aftereye
aftergas
afteroar
aftertan
aftertax
aftertax
adj
Alternative spelling of after-tax.
afterwar
afterwar
adj
Following a war.
afterwit
afterwit
noun
A good comeback, retort one thinks of only after the end of discussion or after leaving a social gathering.