(medicine, countable) A fetus affected by acephaly.
(medicine, uncountable) The condition of acephaly.
achaetous
achaetous
adj
(zoology) Without setae
acheilous
acheilous
adj
(obsolete, pathology) lipless
acheirous
acheirous
adj
Of or pertaining to acheiria (lacking one or both hands)
acheulean
acheulean
Adjective
Of or pertaining to a lower Paleolithic period characterized by the presence of flaked bifacial hand axes.
Noun
A lower Paleolithic period characterized by the presence of flaked bifacial hand axes.
acheulian
acholuria
acholuria
noun
(pathology) A lack of bile pigments in the urine
acholuric
acholuric
adj
(pathology) Of or pertaining to acholuria
achromous
achromous
adj
colorless; achromatic
acoluthic
acoluthic
adj
Pertaining to a residual sense impression immediately following a stimulus, as with an afterimage
adelphous
adelphous
adj
(botany) Having coalescent or clustered filaments.
adulthood
adulthood
noun
The state or condition of a human being once it has reached physical maturity, and is presumed to have reached a state of psychological maturity, to wit: once it has become an adult.
The time period of a human being's majority; the time during which a human being has reached physical maturity, and ending with its death.
aegiochus
aegisthus
aegisthus
Proper noun
The murderer of Agamemnon and lover of his wife Clytemnestra.
aeschylus
aethalium
aethalium
noun
A flat, plump fruiting body, formed by the aggregation of plasmodia, in certain slime molds.
aglyphous
aglyphous
adj
(of a snake) Whose teeth are not specialized, especially whose teeth lack grooves for venom.
agnathous
agnathous
adj
(pathology) Afflicted by or characteristic of agnathia.
Jawless.
ahasuerus
ahasuerus
Proper noun
A king of Persia, later identified with Xerxes.
definition the Wandering Jew.
ahluwalia
ahuehuete
ahuehuete
noun
Montezuma cypress Taxodium mucronatum
ahungered
ahungered
adj
pinched with hunger; very hungry
ailanthus
ailanthus
noun
Any of several deciduous Asiatic trees of the genus Ailanthus, including the tree of heaven.
akoluthia
alcathous
alehouses
alehouses
noun
plural of alehouse
allamuchy
alleluiah
alleluiah
noun
Alternative form of alleluia
allmouths
allmouths
noun
plural of allmouth
almshouse
almshouse
noun
A building of residence for the poor, sick or elderly of a parish. Originally founded by the Church. Usually a charity relying on donations for funding.
alphonsus
aluminish
alushtite
ambushers
ambushers
noun
plural of ambusher
ambushing
ambushing
verb
present participle of ambush
amianthus
amianthus
noun
A type of asbestos with long, soft, thin fibers.
amorphous
amorphous
adj
(by extension) Being without definite character or nature.
(by extension) Lacking organization or unity.
(physics) In the non-crystalline solid state of a typically crystalline solid.
(set theory, of a set) Infinite and not the disjoint union of two infinite subsets.
Lacking a definite form or clear shape.
amphibium
amphibium
noun
(archaic) An amphibian.
amphioxus
amphioxus
noun
The lancelet, particularly of the genus Branchiostoma.
amphissus
amphitruo
amphorous
anachueta
ananthous
ananthous
adj
(botany) Destitute of flowers; flowerless.
anatherum
anchusine
anchusins
anguished
anguished
adj
Feeling anguish; experiencing extreme discomfort or discontent.
verb
simple past tense and past participle of anguish
anguishes
anguishes
noun
plural of anguish
verb
Third-person singular simple present indicative form of anguish
anhistous
anhistous
adj
(biology) Without definite structure.
anhydrous
anhydrous
adj
(chemistry) Having no water of crystallization.
Having little or no water.
anorchous
anschluss
antehuman
anthidium
anthodium
anthodium
noun
(botany) The inflorescence of a compound flower in which many florets are gathered into an involucrate head.
anthrenus
anthurium
anthurium
noun
Any of several tropical American evergreen plants, of the genus Anthurium, grown for their ornamental leaves and spathes.
antihuman
antihuman
adj
(immunology, not comparable) Describing an antibody that reacts with any antigen found in (and with some relevant degree of specificity to) humans.
Opposed to humanity.
noun
A being that opposes, or typifies the opposite of, the human race.
antiochus
antiochus
Proper noun
name, notably borne by the thirteen kings of the Seleucid dynasty.
antthrush
antthrush
noun
Any of the tropical birds in the family Formicariidae, found in Central and South America.
aphelinus
aphidious
aphyllous
aphyllous
adj
(botany) Having no leaves; leafless.
aposthume
arbuthnot
archcount
archdruid
archdruid
noun
(Celtic paganism) A chief druid.
archducal
archducal
adj
Pertaining to an archduke or archduchess.
archduchy
archduchy
noun
The territory (principality) of an archduke.
archdukes
archdukes
noun
plural of archduke
archelaus
archhouse
archidium
archilute
archilute
noun
Alternative form of archlute
archrogue
archrogue
noun
An infamous or particularly egregious rogue.
The chief of a band of thieves or gypsies.
archruler
archurger
areithous
arethusas
arethusas
noun
plural of arethusa
argusfish
arrhenius
arrhizous
arrhizous
adj
(botany) Having no root: applied to parasitical plants which have no root, but adhere to other plants by any part of their surface, and derive their nourishment from them; also to mosses and Hepaticœ which are destitute of rhizoids.
arrowbush
arthurian
arthurian
Adjective
Of or pertaining to the legend of Arthur, king of the Britons, and his court at Camelot.
ascyphous
ashburton
ashburton
Proper noun
a small town on the edge of Dartmoor, Devon, England.
a suburb of Melbourne, Victoria.
a river in Western Australia, which flows into the Indian Ocean.
a large town in Canterbury, New Zealand.
a river (with two branches) in Canterbury which flows past the town to the Pacific Ocean.
a town in Natal, South Africa.
a neighbourhood in Baltimore, Maryland, USA.
ashluslay
ashtabula
asphalius
asphaltum
asphaltum
noun
(dated) asphalt
asphaltus
asphaltus
noun
Archaic form of asphalt.
astichous
astichous
adj
(botany) having a structure or layout that is not in rows
atahualpa
athenaeum
athenaeum
noun
A literary or scientific periodical, especially one similar to the London Athenaeum.
Alternative form of Athenaeum: a temple primarily dedicated to Athena or her Roman equivalent Minerva.
An association for the advancement of learning, particularly in science or literature.
The reading room or library of such an association; (by extension) any reading room or library.
athenaeus
atheneums
athermous
athermous
adj
Alternative form of athermanous
atherurus
atrichous
atrichous
adj
Without flagella.
atrochous
atrophous
auberbach
auchenium
auchenium
noun
(zoology) The posterior portion of the neck in birds.
audhumbla
audiphone
audiphone
noun
An instrument which, placed against the teeth, conveys sound to the auditory nerve and enables the deaf to hear more or less distinctly.
aughtlins
augurship
augurship
noun
(historical) The office (or period of office) of an augur in ancient Rome.
aulophyte
aunthoods
auriphone
aurochses
aurophore
auschwitz
auschwitz
Proper noun
A city in Poland, also called Oświęcim.
A former concentration camp in what is now Poland; definition Nazi evil, the Holocaust.
ausgleich
austausch
austausch
noun
Only used in austausch coefficient
autarchic
autarchic
adj
(genetics, of a gene) Not inhibited by neighbouring genetic material
Of, pertaining to, or marked by autarchy; autocratic.
self-sufficient
authentic
authentic
adj
(music, of a Gregorian mode) Having the final as the lowest note of the mode.
(obsolete) Authoritative.
Conforming to reality and therefore worthy of trust, reliance, or belief.
Of the same origin as claimed; genuine.
authigene
authoress
authoress
noun
(dated) A female author.
authorial
authorial
adj
Of, coming from, or typical of an author (especially of books)
authoring
authoring
noun
The process of creating the content of a document or other content item, i.e., writing or composition.
The result of this process; a writing or composition.
verb
present participle of author
authorise
authorise
verb
Non-Oxford British English standard spelling of authorize.
authorish
authorish
adj
Characteristic of an author.
authorism
authorism
noun
(archaic, uncountable) Authorship.
(countable, uncountable) A habit or practice of an author.
authority
authority
noun
(countable) A government-owned agency that runs a revenue-generating activity for public benefit.
(countable) A reliable, definitive source of information on a subject.
(plural) Persons, regarded collectively, who occupy official positions of power; police or law enforcement.
(uncountable) Official permission; authorisation to act in some capacity on behalf of a ruling entity.
(uncountable) Power or right to make or enforce rules or give orders; or a position having such power or right.
(uncountable) Status as a trustworthy source of information, reputation for mastery or expertise; or claim to such status or reputation.
authorize
authorize
verb
(transitive) To grant (someone) the permission or power necessary to do (something).
(transitive) To permit (something), to sanction or consent to (something).
authotype
autobahns
autobahns
noun
plural of autobahn
autochton
autograph
autograph
adj
(art) Made by the artist himself or herself; authentic.
Written in the author’s own handwriting.
noun
A manuscript in the author’s handwriting.
A person’s own handwriting, especially the signature of a famous or admired person.
verb
(transitive) To sign, or write one’s name or signature on a book etc
(transitive) To write something in one's own handwriting
autohemic
automorph
automorph
adj
Alternative form of automorphic
autopathy
autopathy
noun
(biology) An interaction where a species affects its own subsequent growth, especially negatively.
(homeopathy) The philosophy that the cause of sickness in one individual is the same as the cause in another person.
autophagi
autophagi
noun
(zoology) Birds that are able to run about and obtain their own food as soon as they are hatched.
autophagy
autophagy
noun
(cytology) A type of programmed cell death accomplished through self-digestion.
(cytology) The process of self-digestion by a cell through the action of enzymes originating within the same cell. Often a defensive and/or self-preservation measure.
(rare) Self-consumption; the act of eating oneself.
autophoby
autophoby
noun
Archaic form of autophobia.
autophone
autophone
noun
(archaic) idiophone
autophony
autophony
noun
(medicine) An auscultatory process which consists of noting the tone of the observer's own voice, while he speaks, holding his head close to the patient's chest.
The unusually loud hearing of a person's own voice, breathing or other self-generated sounds.
autophyte
autophyte
noun
Any plant capable of synthesizing its own food from simple organic substances
autosight
autotroph
autotroph
noun
(ecology) Any organism that can synthesize its food from inorganic substances, using heat or light as a source of energy.
auxograph
auxotroph
auxotroph
noun
Any microorganism that has lost the ability to synthesize an organic compound required for its growth, usually as a result of mutation
avouchers
avouchers
noun
plural of avoucher
avouching
avouching
verb
present participle of avouch
ayahausca
ayahuasca
ayahuasca
noun
A giant vine native to South America (especially Banisteriopsis caapi), noted for its psychotropic properties.
Any of various psychoactive infusions or decoctions prepared from this vine.
ayutthaya
azimuthal
azimuthal
adj
(cartography) Describing a map projection which preserves direction for all points relative to a selected point (or in some cases two points).
Of or pertaining to the azimuth; in a horizontal circle.
noun
(cartography) An azimuthal projection.
babushkas
babushkas
noun
plural of babushka
babyhouse
babyhouse
Noun
A doll's house.
backhauls
backhauls
verb
Third-person singular simple present indicative form of backhaul
backhouse
backhouse
noun
(US, Canada, euphemistic) An outhouse: an outbuilding used as a lavatory.
(now dialect) An outbuilding behind the main building.
badmouths
badmouths
verb
Third-person singular simple present indicative form of badmouth