(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.
accipenser
accipenser
noun
Any sturgeon of the genus Acipenser.
acephalina
acephaline
acephaline
adj
Of or pertaining to the parasitic protozoans of the suborder Acephalina
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.
adipescent
adipescent
adj
(medicine) Developing fatty deposits.
adiphenine
adiphenine
Noun
An antispasmodic drug.
adipogenic
adipogenic
adj
(biology) That forms fat, or fatty tissue; lipogenic
adnephrine
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.
Skill in and knowledge of the work of navigating and operating an aircraft.
airplaning
airplaning
verb
present participle of airplane
airplanist
airplanist
noun
(archaic) An airplane pilot.
albaspidin
albopannin
alipterion
allophanic
allophanic
adj
(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
alpestrian
alpestrine
alpestrine
adj
Synonym of subalpine
alphonsine
alphonsism
alpinesque
alpinesque
adj
Having an alpine style.
aminolipin
aminoplast
ampelopsin
ampelopsin
noun
(organic chemistry) A particular flavanonol.
amphanthia
amphibians
amphibians
noun
plural of amphibian
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.
amphigaean
amphigonia
amphigonic
amphigonic
adj
Of, pertaining to, or arising from amphigony
amphineura
amphinomus
amphipnous
amphipodan
amphipodan
adj
(zoology) Relating to the amphipods.
amphirhina
amphirhine
amphitryon
amphogenic
amphogenic
adj
producing approximately equal numbers of male and female offspring
amphrysian
ampicillin
ampicillin
noun
(pharmacology) A semisynthetic form of penicillin C₁₆H₁₉N₃O₄S that is effective against gram-negative and gram-positive bacteria and is used to treat infections of the urinary, respiratory, and intestinal tracts.
ampliation
ampliation
noun
(law, civil law) A postponement of the decision of a cause for further consideration or reargument.
enlargement; amplification
amplifying
amplifying
verb
present participle of amplify
ampulating
amputating
amputating
verb
present participle of amputate
amputation
amputation
noun
surgical removal of all or part of a limb, etc.
the loss of a limb, etc. through trauma
anabaptism
anabaptism
Noun
The doctrine of the Anabaptists.
anabaptist
anabaptist
noun
Alternative form of Anabaptist
anabaptize
anabaptize
verb
(transitive, archaic) To baptize or christen again; to rename.
anacampsis
anacamptic
anacamptic
adj
Reflecting or reflected.
anaglyphic
anaglyphic
adj
Relating to anaglyphs.
noun
Work with chased or embossed relief.
anaglyptic
anaglyptic
adj
Of or pertaining to anaglyptics or to an anaglyph
anamorphic
anamorphic
adj
(mycology) Of or relating to the anamorph, an asexual stage in the development of certain fungi.
Producing various optically distorted images.
anapaestic
anapaestic
adj
Alternative spelling of anapestic
anaplastic
anaplastic
adj
(oncology) Of, or relating to, a tumor that shows little histogenetic differentiation. It implies that a tumor is high grade and likely to behave in an aggressive fashion.
(surgery) Of or relating to plastic surgery.
anaptyctic
anaptyctic
adj
(phonology) Of or pertaining to anaptyxis; of a vowel having been inserted into a word.
anaspadias
anatreptic
anatreptic
adj
rebutting; overthrowing; defeating; applied to Plato's refutative dialogues.
anatripsis
anatripsis
noun
The use of friction or rubbing as therapy, a form of massage
anatriptic
anatriptic
adj
Relating to massage or rubbing.
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
antependia
antepenuit
antescript
antespring
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.]
anticipant
anticipant
adj
Expectant.
anticipate
anticipate
verb
(transitive) To act before (someone), especially to prevent an action.
to eagerly wait for (something)
to know of (something) before it happens; to expect.
to take up or introduce (something) prematurely.
antigraphy
antilepsis
antileptic
antileptic
adj
(medicine) soothing, mood-stabilizing
antilepton
antilepton
noun
(physics) The antiparticle of a lepton.
antilipase
antilipase
adj
That counters the action of a lipase
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
antipapacy
antipapacy
noun
antipapism; the office or reign of an antipope
antipapism
antipapism
noun
Opposition of the pope or his faction.
antipapist
antipapist
adj
Opposing papism.
noun
(Roman Catholicism) One who subscribes to antipapism.
antipascha
antipastic
antipastos
antipathic
antipathic
adj
Characterized by antipathy.
antipepsin
antipewism
antiphates
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
antiphysic
antiplague
antiplague
adj
Countering plague
antiplanet
antiplanet
noun
(astrophysics) A hypothetical planet composed of antimatter.
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.
antipriest
antipriest
noun
One taking a role opposite to that of priest.
antiprimer
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.