(biology) Applied to a gastrula when the blastopore does not entirely open up.
archaeotherium
archboutefeu
archbuffoon
archcorrupter
archcount
archdukedom
archdukedom
noun
The territory or dignity of an archduke or archduchess; an archduchy.
archdukedoms
archdukedoms
noun
plural of archdukedom
archegonium
archegonium
noun
(botany) A multicellular reproductive structure that contains a large, non-motile gamete (egg cell), and within which an embryo will develop.
archegosaurus
archelochus
archemorus
archeptolemus
archesporium
archesporium
noun
(botany) Any of the cells of the sporangium that give rise to spores.
archfounder
archhouse
archibuteo
archichlamydeous
archichlamydeous
adj
(botany) Of or relating to the Archichlamydeae.
archicleistogamous
archilochus
archimorula
archineuron
archisynagogue
archisynagogue
noun
(historical) The head of a synagogue.
archmystagogue
archosaurian
archosaurian
noun
An archosaur.
archplutocrat
archrogue
archrogue
noun
An infamous or particularly egregious rogue.
The chief of a band of thieves or gypsies.
archscoundrel
archsynagogue
archturncoat
arctocephalus
argyrocephalous
arhauaco
aristolochiaceous
aristolochiaceous
adj
(botany) Of or relating to the family Aristolochiaceae of tropical vines.
aristomachus
armouchiquois
arthrobacterium
arthroncus
ascophorous
ascophyllum
ascyphous
asphyctous
astichous
astichous
adj
(botany) having a structure or layout that is not in rows
asynchronous
asynchronous
adj
(computing, communication) Having many actions occurring at a time, in any order, without waiting for each other.
(computing, of a request or a message) Allowing the client to continue during processing.
Not synchronous; occurring at different times.
asynchronously
asynchronously
adv
In an asynchronous manner.
atelocephalous
athericerous
atrichous
atrichous
adj
Without flagella.
atrochous
attouchement
auchincloss
aurichloride
aurichloride
noun
(inorganic chemistry) Tetrachloroaurate
aurichlorohydric
auroch
auroch
noun
Alternative spelling of aurochs
aurochloride
aurochloride
noun
(inorganic chemistry, countable) Any salt containing this anion.
(inorganic chemistry, uncountable) The complex anion, AuCl₄⁻, produced when gold is dissolved in aqua regia.
aurochs
aurochs
noun
(zoology) The European bison (Bison bonasus, or Europæus).
An extinct European mammal, Bos primigenius, the ancestor of domestic cattle.
plural of auroch
aurochses
aurothiosulphuric
australopithecinae
australopithecine
australopithecine
adj
(anthropology, paleontology) Of or pertaining to these hominids.
noun
(anthropology, paleontology) Any of several extinct hominids, belonging to the genera Australopithecus, Paranthropus when seen as distinct, and sometimes other closely related genera.
australopithecus
autallotriomorphic
autarchoglossa
autechoscope
authentication
authentication
noun
(computing) proof of the identity of a user logging on to some network
a hallmark or assay-mark on a piece of metalwork
something which validates or confirms the authenticity of something
authentications
authentications
noun
plural of authentication
authenticator
authenticator
noun
(film, television) A person employed to check the accuracy and realism of a script.
A feature that shows something to be authentic.
One who authenticates.
authenticators
authenticators
noun
plural of authenticator
authorcraft
authorcraft
noun
The craft of an author; the writing of books.
autobiographic
autobiographic
Adjective
Of or relating to a person's life or an account of a person's life, as told by the subject.
autobiographical
autobiographical
adj
Of or relating to a person's life or an account of a person's life, as told by the subject.
autobiographically
autobiographically
adv
In an autobiographical manner.
autocatharsis
autocatheterism
autocatheterism
noun
(medicine) The operation of introducing a catheter into one's own body.
autocephalia
autocephalia
noun
Alternative form of autocephaly
autocephalic
autocephalic
adj
Autocephalous.
autocephality
autocephality
noun
(Christianity) The right of autonomy for a church; specifically, the right to resolve all internal problems on its own authority and to appoint its own bishops, including the head of the church, without any obligatory expression of dependence on another church.
autocephalous
autocephalous
adj
(Christianity, of a bishop) Presiding over an autocephalous church.
(Christianity, of a church) Fully independent of the authority of any other church.
(comparable) Independent; self-directed.
autocephaly
autocephaly
noun
(Christianity) The condition where a church's leaders have severed ties to a larger body and thus no longer report to a higher authority.
autochanger
autochanger
noun
(computing) An automatic tape loader, for switching automatically between several computer backup tapes.
A device for playing multiple music media of a certain kind (gramophone records, compact discs, etc.) in a predetermined sequence without user intervention.
autochemical
autocholecystectomy
autochrome
autochrome
noun
An early photograph produced by means of a glass plate coated on one side with a random mosaic of microscopic dyed grains of potato starch under silver halide emulsion.
autochromy
autochromy
noun
The production of autochrome photographs.
autochronograph
autochronograph
noun
(rare, archaic) An instrument for the instantaneous self-recording or printing of time.
autochthon
autochthon
noun
(geology) A large mass of rock in the place of its original formation, rooted to its basement (foundation rock) as opposed to an allochthon or nappe which has shifted from the place of formation; an autochthonous rock formation.
The earliest inhabitant of an area; an aborigine.
autochthonal
autochthonal
adj
existing where it was formed or born; native, aboriginal, indigenous
autochthones
autochthones
noun
plural of autochthon
autochthonic
autochthonic
Adjective
existing where it was formed or born; native, aboriginal, indigenous
autochthonism
autochthonism
noun
The state of being autochthonal.
autochthonous
autochthonous
adj
(biology, medicine) Originating where found; found where it originates.
(geology) Buried in place, especially of a fossil preserved in its life position without disturbance or disarticulation.
Native to the place where found; indigenous.
autochthonously
autochthonously
adv
In an autochthonous manner.
autochthonousness
autochthonousness
noun
The quality of being autochthonous.
autochthons
autochthons
noun
plural of autochthon.
autochthony
autochthony
noun
An aboriginal condition or state.
autochton
autocoherer
autocoherer
noun
(historical, wireless telegraphy) A self-restoring coherer, such as a microphonic detector.
autocoprophagous
autocoprophagous
adj
That eats its own excrement.
autocratship
autocratship
noun
(rare) The state of being an autocrat; autocracy.
autoecholalia
autoecholalia
noun
A form of echolalia in which a person repeats his own words
autographic
autographic
adj
Containing or relating to an autograph.
autographical
autographical
adj
Relating to an autograph, or one's own handwriting.
Relating to, or used in, the process of autography.
autographically
autographically
adv
By means of autography.
autohemic
autohemolytic
autohypnotic
autohypnotic
adj
Of or pertaining to autohypnosis; self-hypnotizing.
autohypnotically
autolithographic
autolithographic
adj
Related to autolithographs or to autolithography
automechanical
automechanism
automorphic
automorphic
adj
(geology) Describing a mineral, in an igneous rock, that is bounded by its own crystal face; euhedral, idiomorphic
(mathematics) Describing a number whose square ends in the number itself; circular
(mathematics) Of or pertaining to automorphy or an automorphism
Marked by automorphism, the ascription to others of one's own characteristics.
automorphically
automorphically
adv
(mathematics) In terms of automorphisms
autonephrectomy
autopathic
autopathic
adj
Dependent upon, or due or relating to, the structure and characteristics of the diseased organism; endopathic.
autophonoscope
autophonoscope
noun
(historical) An instrument for studying the human voice, having a lamp, a mirror, and a tube that is introduced into a person's mouth. The inner workings of the mouth can then be viewed while speaking etc.
autophotoelectric
autophthalmoscope
autophytic
autophytically
autopsychic
autopsychic
adj
(psychology) Relating to the perception of one's own mind
autopsychoanalysis
autopsychoanalysis
noun
psychoanalysis of oneself
autopsychology
autopsychorhythmia
autopsychosis
autoradiographic
autoradiographic
adj
Of or pertaining to an autoradiograph, a radiographic image produced by the decay of a radioactive substance
autorhythmic
autorhythmic
adj
That generates its own rhythm
autoschediasm
autoschediasm
noun
Anything done with little forethought or preparation.
autoschediastic
autoschediastic
adj
(dated) impromptu, improvised, ex tempore or offhand
autoschediastical
autoschediastical
adj
autoschediastic
autoschediastically
autoschediastically
adv
In an autoschediastic manner.
autoschediaze
autoschediaze
verb
To act in an autoschediastic manner
autostethoscope
autotherapeutic
autotherapeutic
adj
therapeutic to the self; of or relating to autotherapy
autotrophic
autotrophic
adj
(biology) Relating to the production of organic compounds from carbon dioxide as a carbon source, using either light or reactions of inorganic chemical compounds, as a source of energy.
autotrophically
autotrophically
adv
In an autotrophic manner.
With regard to autotrophy.
auxochrome
auxochrome
noun
(obsolete, chemistry) any atom or group which, when added to a chromophore, causes a bathochromic shift in its spectrum
auxochromic
auxochromic
adj
Relating to an auxochrome
auxochromism
auxochromous
auxographic
auxotrophic
auxotrophic
adj
(biology) Describing a strain of organism that requires a specific metabolic substance that the parent organism was able to synthesize by itself
avicularimorphae
avouch
avouch
noun
(obsolete) evidence; declaration
verb
To acknowledge deliberately; to admit; to confess; to sanction.
To appeal to; to cite or claim as authority.
To confirm or verify, to affirm the validity of.
To declare freely and openly; to assert.
avouchable
avouchable
adj
Capable of being avouched.
avouched
avouched
verb
simple past tense and past participle of avouch
avoucher
avoucher
noun
One who avouches.
avouchers
avouchers
noun
plural of avoucher
avouches
avouches
verb
Third-person singular simple present indicative form of avouch