(of a matrix) Whose transpose equals its negative (i.e., Mᵀ = −M);
(of a tensor) That changes sign when any two indices are interchanged (e.g., Tᵢⱼₖ = -Tⱼᵢₖ);
(set theory, order theory, of a binary relation R on a set S) Having the property that, for any two distinct elements of S, at least one is not related to the other via R; equivalently, having the property that, for any x, y ∈ S, if both xRy and yRx then x=y.
antivaccinist
antivaccinist
noun
One opposed to vaccination.
apocatastasis
apocatastasis
noun
(astronomy) Return to the same apparent position, as after a revolution.
(especially religion, rare) An apocalypse leading to the remaking of the world rather than a Final Judgment, (Christianity) an Origenist doctrine condemned by the 543 C.E. Synod of Constantinople.
(medicine, rare) Return to an earlier condition.
(religion) The doctrine that all souls will enter heaven or paradise, (Christianity) an Origenist doctrine condemned by the 543 C.E. Synod of Constantinople.
apocatastatic
apocatastatic
adj
(Christianity) Relating to apocatastasis.
apochromatism
apochromatism
noun
(optics) Freedom from both chromatic aberration and spherical aberration.
apocryphalist
apocryphalist
noun
(Christianity) A member of the group who supported the inclusion of the Apocrypha in the Bible
apokatastatic
apokatastatic
adj
Alternative form of apocatastatic
apostatically
apostatically
adv
In an apostatic manner.
apostolically
apostolically
adv
In an apostolic way.
apotelesmatic
apotelesmatic
adj
(obsolete, astrology) Relating to the casting of horoscopes.
Relating to an issue of fulfilment.
apposiopestic
appreciations
appreciations
noun
plural of appreciation
appurtenances
appurtenances
noun
equipment used for a specific task or purpose; gear
plural of appurtenance
aquiculturist
aquiculturist
noun
Alternative spelling of aquaculturist
arachnoiditis
arachnoiditis
noun
(pathology) A neuropathic disease caused by the inflammation of the arachnoid, one of the membranes that surround and protect the nerves of the spinal cord.
arachnologist
arachnologist
noun
One who is engaged in arachnology, the study of arachnids.
arborescently
arborescently
adv
In an arborescent manner.
archaeologist
archaeologist
noun
Someone who studies or practises archaeology.
archaeopteris
archdisturber
archdogmatist
archeptolemus
archiblastoma
archiblastula
archiblastula
noun
(biology) A hollow blastula, supposed to be the primitive form.
archigastrula
architectress
architectress
noun
(archaic) A female architect.
architectures
architectures
noun
plural of architecture
archostenosis
archpresbyter
archpresbyter
noun
(ecclesiastical) An archpriest.
archtreasurer
archtreasurer
noun
A chief treasurer.
archvestryman
arcticologist
arctocephalus
areotectonics
aristocracies
aristocracies
noun
plural of aristocracy
aristocratism
aristocratism
noun
(politics) The principles of aristocrats.
Aristocrats collectively.
aristogenetic
aristogenetic
adj
Of or relating to aristogenesis.
aristolochine
aristological
aristological
adj
pertaining to aristology
arteriectasia
arteriectasis
arteriectasis
noun
(surgery) vasodilation of an artery
arthrectomies
arthrectomies
noun
plural of arthrectomy
arthrocleisis
arthroplastic
arthroplastic
adj
Relating to arthroplasty
articulations
articulations
noun
plural of articulation
artificership
artificership
noun
The state or business of an artificer.
artificialism
artificialism
noun
(psychology) The belief that anything that exists must have been made by a conscious entity, such as God or a human being
ascensiontide
ascertainable
ascertainable
adj
Able to be ascertained.
ascertainably
ascertainably
adv
In a way that can be ascertained.
ascertainment
ascertainment
noun
The act of ascertaining.
aschelminthes
ascothoracica
ascriptitious
ascriptitious
adj
(obsolete) additional
(obsolete) ascribed
aspidochirota
associability
associability
noun
The condition of being associable
associateship
associateship
noun
The rank or period of being an associate.
associational
associational
adj
Of, pertaining to or deriving from association.
associatively
associatively
adv
In an associative way.
associativity
associativity
noun
(algebra) The condition of being associative.
(programming) The property of an operator which determines how it is grouped with operators of the same precedence in the absence of parentheses.
asthenobiotic
asthmatically
asthmatically
adv
In an asthmatic manner.
astringencies
astringencies
noun
plural of astringency
astrocytomata
astrodynamics
astrodynamics
noun
The study of the motion of rockets and other spacecraft usually from Newton's laws of motion and Newton's law of universal gravitation.
astrologistic
astrometrical
astrometrical
Adjective
astrometric
astronautical
astronautical
adj
referring to travel in outer space
astrophysical
astrophysical
adj
Of or pertaining to astrophysics.
astrospectral
asymtotically
asyndetically
asyndetically
adv
(grammar) In a manner characterized by the use of asyndeton; in a manner in which the words are not connected by conjunctions.
atavistically
atavistically
adv
In an atavistic manner.
atheistically
atheistically
adv
in an atheistic manner
atheisticness
atheisticness
noun
The state or quality of being atheistic.
atmospherical
atmospherical
adj
atmospheric
atomistically
atomistically
adv
In an atomistic manner
With regard to atomism
atroceruleous
atrociousness
atrociousness
noun
The state or quality of being atrocious.
atrocoeruleus
atticomastoid
aurantiaceous
aurantiaceous
adj
(archaic) Relating to the former family Aurantiaceae.
Of or relating to oranges or orange trees.
auscultascope
auscultations
auscultations
noun
plural of auscultation
auscultoscope
auscultoscope
noun
(medicine) A stethoscopic instrument, especially one that amplifies the auscultatory sounds.
austroasiatic
auteciousness
authenticates
authenticates
verb
Third-person singular simple present indicative form of authenticate
authenticness
authenticness
Noun
The quality of being authentic; authenticity.
autocatalepsy
autocatalyses
autocatalyses
verb
Third-person singular simple present indicative form of autocatalyse
autocatalysis
autocatalysis
noun
(chemistry) catalysis of a reaction by one of its products
autocatharsis
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.
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.
autocomplexes
autocorrosion
autocriticism
autocriticism
noun
Self-criticism; criticism of what one has done, said or been.
autocytolysis
autocytolysis
noun
cytolysis by a lysin produced by the same cell
autoeroticism
autoeroticism
noun
The practise of stimulating oneself sexually, masturbation
automechanism
autopsychosis
autoschediasm
autoschediasm
noun
Anything done with little forethought or preparation.
autoschediaze
autoschediaze
verb
To act in an autoschediastic manner
autotoxicosis
autotoxicosis
noun
(medicine) Synonym of autointoxication
auxosubstance
backscattered
backscattered
verb
past participle of backscatter
backscratcher
backscratcher
noun
A long slender rod with a rake-like device on one end, sometimes in the form of a human hand, designed to let a person scratch their own back.
backstitching
backstitching
verb
present participle of backstitch
backstretches
backstretches
noun
plural of backstretch.
bacteriaceous
bacterioblast
bacteriolysin
bacteriolysin
noun
Any antibody that causes lysis of the cells of a bacterium
bacteriolysis
bacteriolysis
noun
The destruction of bacteria by lysis
bacterioscopy
bacterioscopy
noun
The use of microscopy to study bacteria.
ballistically
ballistically
adv
In a ballistic manner
With regard to ballistics
ballisticians
ballisticians
noun
plural of ballistician
basibregmatic
basibregmatic
adj
(anatomy) Relating to, or connecting the basion and the bregma
basichromatic
basichromatin
basichromatin
noun
The basophil portion of the chromatin of a cell.
basidiomycete
basidiomycete
noun
(mycology) Any fungus of the phylum Basidiomycota, that produces sexual spores on a basidium.
basioccipital
basioccipital
adj
(anatomy) Relating to the basiocciput
noun
(anatomy) Synonym of basiocciput
bathycentesis
bathysophical
behavioristic
behavioristic
adj
Of or pertaining to behaviorism, especially B. F. Skinner’s school of radical behaviorism.
benefactrices
benefactrices
noun
plural of benefactrix
benefactrixes
berchtesgaden
bicentenaries
bicentenaries
noun
plural of bicentenary
bicentennials
bicentennials
noun
plural of bicentennial
biconcavities
biconcavities
noun
plural of biconcavity
biconsonantal
biconsonantal
adj
Composed of two consonants
noun
A word or root (in particular in an Afroasiatic language) which consists of two consonants.
biculturalism
biculturalism
noun
The state or quality of being bicultural
bimetallistic
bimetallistic
adj
Relating to, or supporting, bimetallism.
bioactivities
bioactivities
noun
plural of bioactivity
biostatistics
biostatistics
noun
(biology, mathematics) The application of statistics to the study and analysis of biological and medical data
plural of biostatistic
biosystematic
biosystematic
adj
Of or pertaining to biosystematics
bipinnatisect
bipinnatisect
adj
(botany) pinnatisect, with deeply dissected segments
biscuitmaking
bisectionally
bisectionally
adv
By means of, or in terms of, bisection.
bisymmetrical
bisymmetrical
adj
Alternative form of bisymmetric
blacksmithing
blacksmithing
noun
the business of a blacksmith
verb
present participle of blacksmith
blastocarpous
blastogenetic
blastogenetic
adj
Relating to blastogenesis.
blastomycetes
blastomycetic
blastomycetic
adj
Related to, or caused by fungi of the genus Blastomyces, now Zymonema.
blastomycosis
blastomycosis
noun
(pathology) A fungal infection caused by the organism Blastomyces dermatitidis, endemic to parts of North America, whose clinical symptoms resemble those of histoplasmosis