(medicine) A trepan having a conical shape so that injurious penetration of the brain is impossible.
abruptness
abruptness
noun
Suddenness; unceremonious haste or vehemence.
The state of being abrupt or broken
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.
acyanopsia
acyanopsia
noun
Alternative form of acyanopia
adipescent
adipescent
adj
(medicine) Developing fatty deposits.
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.
adsorption
adsorption
noun
The adhesion of a liquid or gas on the surface of a solid material, forming a thin film on the surface.
aeroplanes
aeroplanes
noun
plural of aeroplane
verb
Third-person singular simple present indicative form of aeroplane
aerosporin
afterpains
afterpains
noun
plural of afterpain
agapanthus
agapanthus
noun
Any member of the genus Agapanthus of flowering plants.
airmanship
airmanship
noun
Skill in and knowledge of the work of navigating and operating an aircraft.
airplanist
airplanist
noun
(archaic) An airplane pilot.
albaspidin
allophones
allophones
noun
plural of allophone
alongships
alpenhorns
alpenhorns
noun
plural of alpenhorn
alpenstock
alpenstock
noun
a stout adjustable walking stick with a metal point, used by mountain climbers and walkers in hilly or uneven terrain
alpestrian
alpestrine
alpestrine
adj
Synonym of subalpine
alphonsine
alphonsism
alpinesque
alpinesque
adj
Having an alpine style.
aminoplast
ampelopsin
ampelopsin
noun
(organic chemistry) A particular flavanonol.
ampersands
ampersands
noun
plural of ampersand
amphibians
amphibians
noun
plural of amphibian
amphinomus
amphipnous
amphrysian
anabaptism
anabaptism
Noun
The doctrine of the Anabaptists.
anabaptist
anabaptist
noun
Alternative form of Anabaptist
anablepses
anacampsis
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.
anaptychus
anaptychus
noun
(paleontology) One of a pair of shelly plates found in some cephalopods, such as the ammonites.
anaspadias
anastrophe
anastrophe
noun
(rhetoric) Unusual word order, often involving an inversion of the usual pattern of the sentence.
anastrophy
anatripsis
anatripsis
noun
The use of friction or rubbing as therapy, a form of massage
anatropous
anatropous
adj
(botany, of an ovule) Having an inverted nucleus, whose apex points to the base
ancipitous
ancipitous
adj
Synonym of ancipital
anderstorp
androlepsy
androspore
androspore
noun
(biology) A spore with male functions, in some algae.
anemoscope
anemoscope
noun
An instrument that shows the direction of the wind; a wind vane; a weathercock; usually applied to a contrivance consisting of a vane above, connected in the building with a dial or index with pointers to show the changes of the wind.
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.
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.
anocarpous
anoxyscope
anspessade
anspessade
noun
(historical) A French gendarme serving in the military, between the 16th and 17th centuries.
antepectus
antescript
antespring
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.]
antilepsis
antilipase
antilipase
adj
That counters the action of a lipase
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
antipepsin
antipewism
antiphates
antiphysic
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
antipoints
antipoints
noun
plural of antipoint
antipriest
antipriest
noun
One taking a role opposite to that of priest.
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.
antisepsin
antisepsis
antisepsis
noun
(archaic) Any antiseptic agent.
(hygiene) The science and practice of countering microbial infection, as with the use of antiseptics, and the use of aseptic technique.
antiseptic
antiseptic
adj
(pharmacology) Capable of preventing microbial infection.
Free of unpleasantness; prim, sanitized or bowdlerized.
Of, or relating to antisepsis, or the use of antiseptics.
Very clean; aseptic.
noun
(pharmacology) Any substance that inhibits the growth and reproduction of microorganisms. Generally includes only those that are used on living objects (as opposed to disinfectants) and aren't transported by the lymphatic system to destroy bacteria in the body (as opposed to antibiotics).
antisiphon
antisiphon
adj
Preventing the siphoning of fluid.
antispadix
antispasis
antitypous
antitypous
adj
(obsolete) resistant to blows; hard
antrophose
antroscope
antroscope
noun
An instrument that is used to inspect the maxillary antrum
antroscopy
antroscopy
noun
An antroscopic examination
apartments
apartments
noun
plural of apartment
aphanesite
aphanitism
aphorising
aphorising
verb
present participle of aphorise
aplanatism
aplanatism
noun
(optics) Freedom from spherical aberration.
apocyneous
apocyneous
adj
Relating to, or resembling, the dogbanes of the genus Apocynum.
apollonius
apophonies
apophonies
noun
plural of apophony
apostolian
apothesine
appanagist
appanagist
noun
A prince to whom an appanage has been granted.
appellants
appellants
noun
plural of appellant
appendages
appendages
noun
plural of appendage
appendices
appendices
noun
plural of appendice
plural of appendix
appendixes
appertains
appertains
verb
Third-person singular simple present indicative form of appertain
appetising
appetising
adj
(chiefly British spelling) Alternative spelling of appetizing.
verb
present participle of appetise
applesnits
appliances
appliances
noun
plural of appliance
applicants
applicants
noun
plural of applicant
appointees
appointees
noun
plural of appointee
appointers
appointers
noun
plural of appointer
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.
appraising
appraising
noun
(Scotland, law, historical) Alternative form of apprising
verb
present participle of appraise
apprehends
apprehends
verb
Third-person singular simple present indicative form of apprehend
apresoline
apsinthion
aquaplanes
aquaplanes
noun
plural of aquaplane
archonship
archonship
noun
The rank or office of an archon.
arimaspian
arsenophen
asclepidin
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.
asparagine
asparagine
Noun
A nonessential amino acid C4H8N2O3 found in plants such as asparagus.
asperating
asperating
verb
present participle of asperate
asperation
asperation
noun
The act of asperating; a making or becoming rough.
a harshness, an unpleasantness
aspersions
aspersions
noun
plural of aspersion
asphaltene
asphaltene
noun
(organic chemistry) Any of the dark organic constituents of crude oils and bitumen that are soluble in aromatic solvents but not in aliphatic ones; they are polycyclic aromatic compounds (composed of fused benzene rings) with aliphatic side chains
asphalting
asphalting
noun
An application of asphalt.
verb
present participle of asphalt
asphyxiant
asphyxiant
adj
That can cause asphyxiation
noun
Any substance that can cause asphyxia
aspirating
aspirating
verb
present participle of aspirate
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.
aspiringly
aspiringly
adv
In an aspiring manner.
asplenieae
asplenioid
assapanick
assmanship
assmanship
noun
The skill of riding a donkey.
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.
asyntrophy
athapascan
athapaskan
atropinism
atropinism
noun
atropine poisoning
autopsying
autopsying
verb
present participle of autopsy
axiopoenus
backplanes
backplanes
noun
plural of backplane
ballpoints
ballpoints
noun
plural of ballpoint
baptistown
beclasping
beclasping
verb
present participle of beclasp
bedsprings
bedsprings
noun
plural of bedspring
bespangled
bespangled
verb
simple past tense and past participle of bespangle