(medicine) A trepan having a conical shape so that injurious penetration of the brain is impossible.
absorption
absorption
noun
(chemistry, physics) the imbibing or reception by molecular or chemical action, of radiant energy; the process of being neutrons being absorbed by the nucleus; interception.
(electrical engineering) The retaining of electrical energy for a short time after it has been introduced to the dielectric.
(meteorology) The process in which incident radiant energy is retained by a substance (such as an air mass) by conversion to some other form of energy (such as heat).
(obsolete) engulfing; swallowing up, as of bodies or land.
(physiology) in living organisms, the process by which the materials of growth and nutrition are absorbed and conveyed to the tissues and organs; taking in by various means, such as by osmosis.
Entire engrossment or occupation of the mind.
Mental assimilation.
assimilation; incorporation.
absumption
absumption
noun
(obsolete) Destruction or disintegration, especially a gradual one; wasting away.
acetopyrin
acrophonic
acrophonic
adj
Conforming to acrophony.
actinocarp
actinopoda
acyanopsia
acyanopsia
noun
Alternative form of acyanopia
adaptation
adaptation
noun
(countable) A change that is made or undergone to suit a condition or environment.
(countable, authorship) An artistic work that has been adapted from a different medium.
(countable, evolutionary theory) An instance of an organism undergoing change, or the structure or behavior that is changed.
(sociology) The means by which social groups adapt to different social and physical environments.
(uncountable) The process of adapting an artistic work from a different medium.
(uncountable) The process of adapting something or becoming adapted to a situation; adjustment, modification.
(uncountable, evolutionary theory) The process of change that an organism undergoes to be better suited to its environment.
adaptional
adaptional
adj
(biology) Applied to the process by which an organism is fitted or adapted to its environment
Relating or pertaining to adaptation, or the action of adapting.
adiaphonon
adiaphoron
adiaphoron
noun
(philosophy) A matter that is morally neutral.
(theology) Something neither forbidden nor commanded by scripture.
adipogenic
adipogenic
adj
(biology) That forms fat, or fatty tissue; lipogenic
adoptional
adoptional
adj
Of or relating to adoption.
adposition
adposition
noun
(grammar) An element that combines syntactically with a phrase and indicates how that phrase should be interpreted in the surrounding context; a preposition or postposition.
adrianople
adsorption
adsorption
noun
The adhesion of a liquid or gas on the surface of a solid material, forming a thin film on the surface.
(organic chemistry) Relating to allophanic acid or its derivatives
(soil science) Relating to, or composed of allophane
allophonic
allophonic
adj
Of or pertaining to an allophone.
alongships
alphonsine
alphonsism
aminolipin
aminoplast
ampelopsin
ampelopsin
noun
(organic chemistry) A particular flavanonol.
amphictyon
amphictyon
noun
(Ancient Greece) One of the deputies from the confederated states of Ancient Greece to a congress or council. They considered both political and religious matters.
amphigonia
amphigonic
amphigonic
adj
Of, pertaining to, or arising from amphigony
amphinomus
amphipnous
amphipodan
amphipodan
adj
(zoology) Relating to the amphipods.
amphitryon
amphogenic
amphogenic
adj
producing approximately equal numbers of male and female offspring
ampliation
ampliation
noun
(law, civil law) A postponement of the decision of a cause for further consideration or reargument.
enlargement; amplification
amputation
amputation
noun
surgical removal of all or part of a limb, etc.
the loss of a limb, etc. through trauma
anamorphic
anamorphic
adj
(mycology) Of or relating to the anamorph, an asexual stage in the development of certain fungi.
Producing various optically distorted images.
ancipitous
ancipitous
adj
Synonym of ancipital
anemophile
anemophile
noun
Any anemophilous plant.
anemophily
anemophily
noun
(botany) A form of pollination whereby pollen is distributed by wind.
anepiploic
aneuploidy
aneuploidy
noun
(genetics) The condition of being aneuploid; the state of possessing a chromosome number that is not an exact multiple of the haploid number of the organism in question.
angiocarpy
angiograph
angiograph
noun
The film or image of the blood vessels produced by angiography.
angiopathy
angiopathy
noun
(pathology) Any disease of the blood vessels.
angioplany
angioscope
angioscope
noun
An instrument for examining the capillary vessels of animals and plants.
angiospasm
angiospasm
noun
(medicine) Spasmodic contraction of the blood vessel.
angiosperm
angiosperm
noun
(botany) Any plant of the clade Angiosperms, characterized by having ovules enclosed in an ovary; a flowering plant.
anglophile
anglophile
noun
Alternative letter-case form of Anglophile
anglophily
anilopyrin
anisopodal
anisoptera
anisospore
anisospore
noun
(biology) A sexual spore in which the sexes differ in size.
anisotrope
anisotrope
adj
(dated) anisotropic
anisotropy
anisotropy
noun
The degree to which this property is exhibited.
The property of being directionally dependent.
anolympiad
anomaliped
anomalipod
anopheline
anopheline
adj
Of or pertaining to the anopheles mosquitoes.
noun
Any mosquito of the genus Anopheles
anorthopia
anorthopia
noun
(medicine) A defect of vision in which straight lines appear to be curved
antelopian
antelopine
anthophila
anthophile
anthophile
noun
(zoology) An organism that visits flowers.
A person who loves flowers.
anthropoid
anthropoid
adj
(anatomy, in pelvimetry) Of the pelvis, having an anteroposterior diameter equal or exceeding the transverse diameter.
having characteristics of a human, usually in terms of shape or appearance
having characteristics of an ape
noun
An anthropoid animal.
antibishop
antibishop
noun
(historical, ecclesiastical, chiefly in medieval and early modern history) A pretender to the episcopal office, such as a bishop appointed by an antipope. [from 18th c.]
antilepton
antilepton
noun
(physics) The antiparticle of a lepton.
antilipoid
antilipoid
noun
(biochemistry) A substance that destroys or degrades lipoids.
antilopine
antilopine
adj
Relating to, or resembling, antelopes in the bovid subfamily Antelopinae.
Relating to, or resembling, antelopes in the tribe Antelopini within that subfamily
Relating to, or resembling, antelopes.
noun
An antilopine kangaroo
Any antelope in the subfamily Antelopinae
Any antelope in the tribe Antilopini
antipastos
antiphonal
antiphonal
adj
(music) Characterized by antiphones or antiphony; incorporating alternate, or responsive singing by a choir split into two parts.
noun
A book of antiphons or anthems sung or chanted at a liturgy; an antiphonary or antiphoner.
An antiphon; a piece sung or chanted in an antiphonal manner.
antiphoner
antiphoner
noun
An antiphonal.
antiphonic
antiphonic
adj
Having the presence of an antiphon between two choirs with a call and a response in song or in chant, usually in the form of a hymn or a psalm.
antiphonon
antipleion
antipleion
noun
A region of negative departure from a norm.
antipodean
antipodean
adj
(informal) of, or pertaining to, Australia or New Zealand
diametrically opposed
relating to the antipodes, or situated at opposite sides of the Earth
noun
An inhabitant of the antipodes.
antipodism
antipodism
noun
(topology) The relation between points on a sphere which are directly opposite each other; or the function which maps a point to its opposite point.
A form of foot juggling where the juggler lies on his or her back, usually on a sort of chair.
antipodist
antipodist
noun
One who practices antipodism; one who juggles using his or her feet lying down.
antipoenus
antipoetic
antipoetic
adj
Opposed to poetry.
antipoints
antipoints
noun
plural of antipoint
antipolice
antipolice
adj
Opposed to or prejudiced against the police
antipopery
antipopery
noun
Opposition to popery.
antiproton
antiproton
noun
(physics) The antiparticle of the proton, having a negative electric charge.
antipsoric
antipsoric
adj
(pharmacology) Effective against the itch.
noun
(medicine) Any remedy for the itch.
antiptosis
antiptosis
noun
(grammar, rhetoric) Substitution of one grammatical case for another.
antipyonin
antipyonin
noun
(dated, medicine) borax
antisiphon
antisiphon
adj
Preventing the siphoning of fluid.
antitropal
antitropal
adj
(botany) antitropous
antitropic
antitropic
adj
(anatomy) On the opposite side of a bilaterally symmetric relationship (as the left and right hands)
antitypous
antitypous
adj
(obsolete) resistant to blows; hard
aphorising
aphorising
verb
present participle of aphorise
aphorizing
aphorizing
verb
present participle of aphorize
aphronitre
aphthongia
aphthongia
noun
(medicine, archaic) An inability to speak caused by muscular spasms.
aphthonite
aplodontia
apocentric
apocentric
adj
(astrophysics) Of or pertaining to the apocenter, the point in an orbit which is furthest from the orbited body
apocodeine
apocodeine
noun
An alkaloid with chemical formula C₁₈H₁₉NO₂, prepared from codeine, with effects like those of apomorphine.
apodeipnon
apogonidae
apoharmine
apoharmine
noun
(organic chemistry) An alkaloid, C₈H₈N₂, derived from harmic acid, that behaves similarly to harmine, but that has greater solubility in water.
apollinian
apollonian
apollonian
adj
Clear, harmonious, and restrained.
apollonius
apomorphin
apopenptic
apophantic
apophantic
adj
Involving a declaration, statement, or proposition.
apophonies
apophonies
noun
plural of apophony
apoquinine
apostolian
apothesine
apparation
apparation
noun
(obsolete) A preparation.
apparition
apparition
noun
(astronomy) A period of consecutive days or nights when a particular celestial body may be observed, beginning with the heliacal rising of the body and ending with its heliacal setting.
(astronomy) The first appearance of a star or other luminary after having been invisible or obscured; opposed to occultation.
An act of becoming visible; appearance; visibility.
An unexpected, wonderful, or preternatural appearance; especially something such as a ghost or phantom.
The thing appearing; a visible object; a form.
appetition
appetition
noun
A desire, longing for, or seeking after of something.
appointees
appointees
noun
plural of appointee
appointers
appointers
noun
plural of appointer
appointing
appointing
verb
present participle of appoint
appointive
appointive
adj
Of, pertaining to, or filled by appointment.
apportions
apportions
verb
Third-person singular simple present indicative form of apportion
apposition
apposition
noun
(UK) A (now purely ceremonial) speech day at St Paul's School, London.
(biology) The growth of successive layers of a cell wall.
(grammar) A construction in which one noun or noun phrase is placed with another as an explanatory equivalent, both of them having the same syntactic function in the sentence.
(grammar) The relationship between such nouns or noun phrases.
(rhetoric) Appositio, the addition of an element not syntactically required.
A placing of two things side by side, or the fitting together of two things.
A public disputation by scholars.
The quality of being side-by-side, apposed instead of being opposed, not being front-to-front but next to each other.
apresoline
aprication
aprication
noun
(rare) The act of apricating, or basking in the sun.
apsinthion
arachnopia
archipenko
archonship
archonship
noun
The rank or office of an archon.
armipotent
armipotent
adj
(obsolete) Powerful in battle.
noun
(poetic, archaic) A powerful combatant.
ascription
ascription
noun
(sociology) The stratification of people according to inborn characteristics (such as race or sex) outside of their control.
The act, or an instance, of ascribing a quality, characteristic, quotation, artistic work, or other thing to someone or something.
asiphonate
asiphonate
adj
(zoology) Lacking a siphon or breathing tube.
noun
(zoology) Any mollusk lacking a siphon or breathing tube.
asperation
asperation
noun
The act of asperating; a making or becoming rough.
a harshness, an unpleasantness
aspersions
aspersions
noun
plural of aspersion
aspiration
aspiration
noun
(phonetics) A burst of air that follows the release of some consonants.
The act of aspiring or ardently desiring; an ardent wish or desire, chiefly after what is elevated or spiritual (with common adjunct adpositions being to and of).
The action of aspirating.
asplenioid
assumption
assumption
noun
(logic) The minor or second proposition in a categorical syllogism.
(rhetoric) Assumptio.
A festival in honor of the ascent of the Virgin Mary into heaven, celebrated on 15 August.
The act of assuming, or taking to or upon oneself; the act of taking up or adopting.
The act of taking for granted, or supposing a thing without proof; a supposition; an unwarrantable claim.
The taking of a person up into heaven.
The thing supposed; a postulate, or proposition assumed; a supposition.
asthenopia
asthenopia
noun
An ophthalmological condition that manifests itself through nonspecific symptoms such as fatigue, red eyes, eye strain, pain in or around the eyes, blurred vision, headache and occasional double vision.
asthenopic
asthenopic
adj
Having, or pertaining to, asthenopia.
atropamine
atrophying
atrophying
verb
present participle of atrophy
atropinism
atropinism
noun
atropine poisoning
atropinize
atropinize
verb
(transitive) To treat with atropine.
autopsying
autopsying
verb
present participle of autopsy
axiopoenus
azophenine
azoprotein
azoprotein
noun
(biochemistry) Any protein, coupled with another material via a diazo linkage, that is used in immunochemical procedures
ballpoints
ballpoints
noun
plural of ballpoint
balopticon
balopticon
noun
(historical) An early kind of stereopticon or projector.