A quadrilateral in which the pairs of nonadjacent sides are congruent, but in which two opposite sides intersect and are therefore not parallel.
antipathogen
antipathogen
noun
(medicine) Any drug that counters the effects of a pathogen
antipathogene
antipathogenic
antipathogenic
adj
(medicine) That acts against pathogens
antiphagocytic
antiphagocytic
adj
(immunology) impeding or preventing the action of phagocytes or the occurrence of phagocytosis
antiphlogistian
antiphlogistian
noun
Someone who opposes phlogiston theory.
antiphlogistic
antiphlogistic
adj
(pharmacology) Counteracting inflammation.
Opposed to the doctrine of phlogiston.
noun
(pharmacology) A plant or remedy that reduces inflammation.
antiphlogistin
antipoaching
antipoaching
adj
Seeking to prevent or prohibit poaching
antipodagric
antipodagric
adj
(medicine) That acts against gout
noun
A medicine for gout.
antipodagron
antipolygamy
antipolygamy
adj
Opposing polygamy.
antipooling
antipooling
adj
(US, historical, railways) Opposing or banning associations of rival railroads.
antipornographic
antipornographic
adj
Opposing pornography.
antipornography
antipornography
adj
Opposed to the distribution and consumption of pornography
antiprestidigitation
antiprofiteering
antiprofiteering
adj
Opposing or countering profiteering.
antiprogressive
antiprogressive
noun
One who opposes progress.
antishoplifting
antishoplifting
adj
That serves to counter shoplifting.
aortographic
aortographic
adj
(medicine) Of or relating to aortography.
aortographies
aortographies
noun
plural of aortography
aortography
aortography
noun
(medicine) an arteriography of the aorta
apathogenic
apathogenic
adj
(pathology) Not pathogenic.
aphlogistic
aphlogistic
adj
(archaic) flameless
aphthong
aphthong
noun
(phonology) A letter or combination of letters employed in spelling a word but not pronounced.
aphthongal
aphthongal
adj
(phonology) Being or relating to an aphthong.
aphthongia
aphthongia
noun
(medicine, archaic) An inability to speak caused by muscular spasms.
apiologist
apiologist
noun
A person who studies apiology, the science of bees and honey-making.
apitong
apitong
noun
The medium hardwood tree Dipterocarpus grandiflorus.
aplanogamete
aplanogamete
noun
A non-motile gamete found in certain lower algae.
aplington
apocopating
apocopating
verb
present participle of apocopate
apogalacteum
apogeotropic
apogeotropic
adj
(botany) Bending away from the ground; said of leaves, etc.
(medicine) Tending skyward, as with apogeotropic nystagmus.
apogeotropically
apogeotropically
adv
(botany) In an apogeotropic manner; of leaves and other botanical structures, in a manner that bends away from the ground.
apogeotropism
apogeotropism
noun
(botany) An apogeotropic tendency.
apologete
apologetic
apologetic
adj
(dated) Defending by words or arguments; said or written in defense.
Having the character of apology; regretfully excusing.
apologetical
apologetical
adj
apologetic
apologetically
apologetically
adv
In an apologetic manner; by way of defense, apology or excuse.
apologetics
apologetics
noun
The field of study concerned with the systematic defense of a position, or of religious or occult doctrines
apologist
apologist
noun
One who makes an apology.
One who speaks or writes in defense of a faith, a cause, or an institution.
apologists
apologists
noun
plural of apologist
aponogeton
aponogetonaceae
aponogetonaceous
aponogetonaceous
adj
(botany) Belonging to the Aponogetonaceae.
apophlegmatic
apophlegmatic
adj
(medicine) Designed to facilitate discharges of phlegm or mucus from the mouth or nostrils.
noun
(medicine) Any apophlegmatic medicine.
apophlegmatism
apophlegmatism
noun
(obsolete) An apophlegmatic medicine.
(obsolete) The action of apophlegmatics.
apophthegm
apophthegm
noun
(UK) Alternative spelling of apothegm
apophthegmatic
apophthegmatic
adj
Alternative form of apothegmatic
apophthegmatical
apophthegmatical
adj
Alternative form of apothegmatical
apophthegmatist
apophthegmatist
noun
Alternative form of apothegmatist
apophthegms
apophthegms
noun
plural of apophthegm
apoplastogamous
apostatising
apostatising
verb
present participle of apostatise
apostatizing
apostatizing
verb
present participle of apostatize
apostrophising
apostrophising
verb
present participle of apostrophise
apostrophizing
apostrophizing
verb
present participle of apostrophize
apothegm
apothegm
noun
A short, witty, instructive saying; an aphorism or maxim.
apothegmatic
apothegmatic
Adjective
Relating to, or in the manner of, an apothegm; sententious; pithy.
apothegmatical
apothegmatical
adj
Relating to, or in the manner of, an apothegm; sententious; pithy.
apothegmatically
apothegmatically
adv
In an apothegmatic way.
apothegmatist
apothegmatist
noun
A collector or maker of apothegms.
apothegmatize
apothegmatize
verb
(intransitive) To utter apothegms, or short and sententious sayings.
apothegms
apothegms
noun
plural of apothegm
apotheosising
apotheosising
verb
present participle of apotheosise
apotheosizing
apotheosizing
verb
present participle of apotheosize
apothgm
appendorontgenography
appoggiatura
appoggiatura
noun
(music) A type of musical ornament, falling on the beat, which often creates a suspension and subtracts for itself half the time value of the principal note which follows.
appoggiaturas
appoggiaturas
noun
plural of appoggiatura
appoggiature
appointing
appointing
verb
present participle of appoint
apportioning
apportioning
noun
apportionment
verb
present participle of apportion
approbating
approbating
verb
present participle of approbate
appropriating
appropriating
verb
present participle of appropriate
approximating
approximating
verb
present participle of approximate
apronstring
apterygiformes
apterygogenea
apterygota
apterygote
apterygote
noun
Any insect of the order Apterygota.
apterygotous
aragonspath
archaeopterygiformes
architypographer
areopagist
areopagite
areopagitic
areopagitic
Adjective
Relating to the Areopagus.
areopagitica
argeiphontes
argentoproteinum
argentoproteinum
noun
(archaic) silver proteinate
argiphontes
arithmograph
arithmography
arithmography
noun
(linguistics) The encoding of words as numbers
A formal presentation of the properties of numbers.
arpeggiation
arpeggiation
noun
(music) The act of arpeggiating, of spreading a chord out instead of playing the notes simultaneously.
arteriograph
arteriograph
noun
An instrument used in arteriography to measure the severity of arteriosclerosis
arteriographic
arteriographic
adj
(medicine) Relating to arteriography.
arteriography
arteriography
noun
(medicine, dated) description of the arteries
radiography of an artery
arthrography
arthrography
noun
(dated, uncountable, medicine) The scientific description of joints
(medicine) An arthrogram
arthrogryposis
arthrogryposis
noun
(countable, teratology) The permanent fixation of a joint in a contracted position.
(uncountable, teratology) A congenital disorder in which the joints are so fixed because of lack of muscle development.
arthropathology
arthrophlogosis
artophagous
artophagous
adj
(rare) bread-eating
aryepiglottic
aryepiglottic
adj
(anatomy) Referring to a group of tissues between the epiglottis and the arytenoid cartilage, or the use of these folds during vocalization.
aryepiglottidean
arytenoepiglottic
aspergation
astigmatoscope
astigmatoscopies
astigmatoscopy
astigmoscope
astragaloscaphoid
astragaloscaphoid
adj
(anatomy) Relating to the knucklebone and scaphoid bone.
astrograph
astrograph
noun
(astronomy) A telescope designed and used for astronomical photography.
astrographer
astrographic
astrographic
adj
astrometric
astrography
astrography
noun
The art of describing or delineating the stars; a description or mapping of the heavens.
astrophotographer
astrophotographer
noun
(astronomy, photography) A person, especially an astronomer, who takes photographs of the stars
astrophotographic
astrophotographic
adj
Of or pertaining to astrophotography.
astrophotography
astrophotography
noun
(astronomy, photography) A specialized kind of photography, composed of concepts and techniques that pertain to the production of photographic images of astronomical objects.
astylospongia
atmograph
atmospherology
atmospherology
noun
The study of a planetary atmosphere.
atrophying
atrophying
verb
present participle of atrophy
audiotaping
audiotaping
verb
present participle of audiotape
augitophyre
autobiographal
autobiographal
adj
(archaic) autobiographical
autobiographer
autobiographer
noun
One who writes his or her own life or biography.
autobiographers
autobiographers
noun
plural of autobiographer
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.
autobiographies
autobiographies
noun
plural of autobiography
autobiographist
autobiographist
noun
An autobiographer.
autobiography
autobiography
noun
(countable) A self-written biography; the story of one's own life.
(uncountable) Biographies of this kind regarded as a literary genre.
autocamping
autocamping
verb
present participle of autocamp
autochronograph
autochronograph
noun
(rare, archaic) An instrument for the instantaneous self-recording or printing of time.
autocoprophagous
autocoprophagous
adj
That eats its own excrement.
autoepigraph
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
autographal
autographal
adj
(obsolete) autographic
autographed
autographed
verb
simple past tense and past participle of autograph
autographer
autographer
noun
Someone who writes an autograph
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.
autographies
autographies
noun
plural of autography
autographing
autographing
noun
The signing of an autograph.
verb
present participle of autograph
autographism
autographism
noun
(dated, pathology) A skin condition in which wheals can be raised on the skin by tracing over it