(biochemistry) A neurotransmitter in humans and other animals. It is an ester of acetic acid and choline with chemical formula CH₃COOCH₂CH₂N⁺(CH₃)₃.
achievability
achievability
noun
The state or condition of being achievable.
achromatophil
achromatophil
noun
(cytology) A cell (or tissue) that is not readily coloured by stains
admonishingly
admonishingly
adv
In an admonishing manner.
aeolharmonica
aeolharmonica
noun
(music, obsolete) A form of harmonium.
aerographical
aerographical
adj
Synonym of aerographic
aerolithology
aerolithology
noun
The study of meteorites
aerophilately
aerophilately
noun
(philately) The study or collection of airmail stamps, cancellations, etc.
aerotechnical
aerotechnical
adj
Relating to the technical aspects of flight.
aesthetically
aesthetically
adv
In an aesthetic manner; with a pleasing sensory effect.
affrightfully
affrightfully
adv
(obsolete) frightfully
affrightingly
affrightingly
adv
(archaic) So as to frighten or terrify.
aglyphodontia
albuminorrhea
alchemistical
alchemistical
adj
Of or pertaining to alchemists.
alcoholically
alcoholically
adv
In an alcoholic manner.
In the manner of an alcoholic.
alcoholimeter
alcoholizable
alcoholizable
adj
Able to be alcoholized.
alcoholmetric
alcoholomania
alcoholomania
noun
(dated) alcohol addiction
alethiologist
alethopteroid
alisphenoidal
alisphenoidal
adj
Alternative form of alisphenoid
aliyahaliyahs
allelomorphic
allelomorphic
adj
Of or pertaining to an allelomorph
allhallowtide
allhallowtide
Proper noun
The time at or near All Hallows'.
alligatorfish
alligatorfish
noun
Aspidophoroides monopterygius, a bottom-dwelling marine fish in the family Agonidae, which is found along the coasts of the northwestern Atlantic.
allochromatic
allochromatic
adj
(chemistry, physics, by extension) Having properties that are due to the presence of impurities, or to radiation damage
(mineralogy, especially of a gemstone) Having a colour that is due to the presence of impurities
allophanamide
allophanamide
noun
(organic chemistry) biuret
allorrhythmic
allothigenous
allotriophagy
allotriophagy
noun
(rare) Having food cravings that are different from the expected or the norm
allylthiourea
allylthiourea
noun
A particular organic carcinogen.
alphabetarian
alphabetarian
noun
A novice or ignoramus.
One who is learning the alphabet; an abecedarian.
alphabetiform
alphabetiform
adj
Having the form of a developed alphabet or its letters, as opposed to crude pictographic symbols.
alphabetising
alphabetising
verb
present participle of alphabetise
alphabetizers
alphabetizers
noun
plural of alphabetizer
alphabetizing
alphabetizing
verb
present participle of alphabetize
alphanumerics
alphanumerics
noun
plural of alphanumeric
aluminography
aluminography
noun
The art or process of producing, and printing from, aluminium plates, after the manner of ordinary lithography.
aluminothermy
aluminothermy
noun
(inorganic chemistry) the production of a metal from its oxide by heating it with aluminium
amethodically
amethodically
adv
In an amethodical manner.
amidoaldehyde
amidothiazole
aminodiphenyl
aminophylline
aminophylline
noun
(pharmacology) A bronchodilator comprising theophylline and ethylenediamine in a 2:1 ratio.
amphiblastula
amphiblastula
noun
A larva of some sponges that has equal numbers of both flagellate and nonflagellate cells separated from each other on opposite sides of the blastula
amphibologies
amphibologies
noun
plural of amphibology
amphibologism
amphidiploidy
amphidiploidy
noun
The property of being amphidiploid.
amphigastrula
amphigenously
amphigenously
adv
In an amphigenous manner.
amphimictical
amphiprostyle
amphiprostyle
adj
(architecture, chiefly historical, of a temple or edifice) Having columns at either end but not along the sides.
noun
(architecture, historical) An amphiprostyle temple or edifice.
amphithalamus
amphitheatral
amphitheatral
adj
Alternative form of amphitheatrical
amphodiplopia
analphabetism
analphabetism
noun
Illiteracy, the inability to read and write.
anaphorically
anaphorically
adv
In an anaphoric manner.
anaphylactoid
anaphylactoid
adj
Of, pertaining to, or resembling anaphylaxis
anaphylatoxin
anaphylatoxin
noun
(biochemistry) Any of several toxic substances that trigger anaphylaxis
anathematical
angiocholitis
angiocholitis
noun
Synonym of cholangitis
angiolymphoma
angiothlipsis
anhydromyelia
anisophyllous
anisophyllous
adj
(botany) Having unequal leaves.
ankylocheilia
ankylorrhinia
ankylurethria
ankylurethria
noun
(biology, medicine) Impaired patency of the urethra owing to any sort of fusion that either partially or completely obstructs its lumen (for example, stricture due to adhesions).
annihilations
annihilations
noun
plural of annihilation
anoplotherium
anoplotherium
noun
(zoology) Any member of the extinct ungulate genus Anoplotherium.
anoplotheroid
anthecologist
anthecologist
noun
One who studies anthecology.
anthelminthic
anthelminthic
adj
Alternative form of anthelmintic
antherozoidal
anthochlorine
anthologising
anthologising
verb
present participle of anthologise
anthologizing
anthologizing
verb
present participle of anthologize
anthophyllite
anthophyllite
noun
(mineralogy) A dark brown amphibole mineral; a mixed silicate of iron and magnesium.
anthropolitic
anthropologic
anthropologic
adj
anthropological; pertaining to anthropology; belonging to the nature of man.
antialcoholic
anticatarrhal
anticatarrhal
adj
Alternative spelling of anti-catarrhal
antichlorotic
antichlorotic
adj
Countering chlorosis.
antichronical
antichronical
adj
Deviating from the proper order of time.
antihemolysin
antihemolytic
antihemolytic
adj
Inhibiting hemolysis
antilethargic
antilethargic
adj
Preventing lethargy.
antilogarithm
antilogarithm
noun
(mathematics) The number of which a given number is the logarithm (to a given base).
antimonarchal
antiplethoric
antiplethoric
adj
(medicine) Countering plethora of the blood.
antisyphillis
apathetically
apathetically
adv
In an apathetic manner.
apheliotropic
apheliotropic
adj
Turning away from the sun; said of leaves, etc.
aphilanthropy
aphilanthropy
noun
Lack of love for humankind.
aphrodisiacal
aphrodisiacal
adj
Of or relating to an aphrodisiac; having aphrodisiac properties.
apocryphalist
apocryphalist
noun
(Christianity) A member of the group who supported the inclusion of the Apocrypha in the Bible
apophlegmatic
apophlegmatic
adj
(medicine) Designed to facilitate discharges of phlegm or mucus from the mouth or nostrils.
noun
(medicine) Any apophlegmatic medicine.
apprehensible
apprehensible
adj
Which can be apprehended (usually in the sense of being understood).
apprehensibly
apprehensibly
adv
Such that it can be apprehended; understandably.
arachnologist
arachnologist
noun
One who is engaged in arachnology, the study of arachnids.
araliophyllum
archaeolithic
archaeolithic
adj
(archaeology) Of or relating to the earliest Stone Age; applied to a prehistoric period preceding the Paleolithic.
archaeologian
archaeologian
noun
(archaic) An archaeologist.
archaeologies
archaeologies
noun
plural of archaeology
archaeologist
archaeologist
noun
Someone who studies or practises archaeology.
archangelical
archangelical
Adjective
archangelic
archangelship
archangelship
noun
The role or status of archangel.
archeological
archeological
adj
(Canada, US) Alternative spelling of archaeological
archiannelida
archiblastoma
archiblastula
archiblastula
noun
(biology) A hollow blastula, supposed to be the primitive form.
archidiaconal
archidiaconal
adj
(Anglicanism, Eastern Orthodoxy) Pertaining to an archdeacon.
archigastrula
archipelagian
archipelagoes
archipelagoes
noun
plural of archipelago
architectural
architectural
adj
Pertaining to architecture.
Resembling architecture in style; seeming to have been designed (by an architect).
architricline
areographical
areographical
adj
Synonym of areographic
arhythmically
arhythmically
adv
Alternative spelling of arrhythmically
aristolochine
arrythmically
arthritically
arthritically
adv
In an arthritic fashion: in a way that is characteristic of a person with arthritis
arthrocleisis
arthroplastic
arthroplastic
adj
Relating to arthroplasty
artilleryship
aschelminthes
aspidocephali
asthmatically
asthmatically
adv
In an asthmatic manner.
astonishingly
astonishingly
adv
In an astonishing manner; so as to surprise or astonish.
Very; remarkably used as an intensifier.
astrophyllite
astrophyllite
noun
(mineralogy) A rare, brown to golden-yellow hydrous potassium iron titanium silicate mineral, visually identical to kupletskite.
astrophysical
astrophysical
adj
Of or pertaining to astrophysics.
atelorachidia
atheistically
atheistically
adv
in an atheistic manner
atmospherical
atmospherical
adj
atmospheric
austrophilism
autarchically
authentically
authentically
adv
In an authentic manner; with the requisite or genuine authority.
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.
autoecholalia
autoecholalia
noun
A form of echolalia in which a person repeats his own words
autographical
autographical
adj
Relating to an autograph, or one's own handwriting.
Relating to, or used in, the process of autography.
autohemolysin
autohemolysin
noun
(immunology) Any hemolysin produced by the affected person's own body
autohemolysis
autohemolysis
noun
hemolysis by the action of an autohemolysin
autohemolytic
autohexaploid
autohexaploid
adj
(genetics) hexaploid as a result of multiplication of a haploid set of chromosomes