(medicine) A trepan having a conical shape so that injurious penetration of the brain is impossible.
abdication
abdication
noun
(obsolete) The act of disowning or disinheriting a child.
(obsolete) The action of being deposed from the seat of power.
(obsolete, law) The renunciation of interest in a property or a legal claim; abandonment.
The act of abdicating; the renunciation of a high office, dignity, or trust, by its holder.
The voluntary renunciation of sovereign power.
abductions
abductions
noun
plural of abduction
aberration
aberration
noun
(astronomy) A small periodical change of the apparent positions of the stars and other heavenly bodies, due to the combined effect of the motion of light and the motion of the observer.
(astronomy, by extension) The tendency of light rays to preferentially strike the leading face of a moving object (the effect underlying the above phenomenon).
(electronics) A defect in an image produced by an optical or electrostatic lens system.
(medicine) A deviation of a tissue, organ or mental functions from what is considered to be within the normal range.
(optics) The convergence to different foci, by a lens or mirror, of rays of light emanating from one and the same point, or the deviation of such rays from a single focus; a defect in a focusing mechanism that prevents the intended focal point.
(zoology, botany) A typical development or structure; deviation from the normal type; an aberrant organ.
A mental disorder, especially one of a minor or temporary character.
A partial alienation of reason.
The act of wandering; deviation from truth, moral rectitude; abnormal; divergence from the straight, correct, proper, normal, or from the natural state.
abiogenist
abiogenist
noun
(biology) One who believes that life can be produced independently of antecedent life.
abjections
abjections
noun
plural of abjection
abjunction
abjunction
noun
(logic) Synonym of material nonimplication
(mycology, biology) The creation of spores by cutting off portions of the sporophore by the growth of septa; abstriction.
abjuration
abjuration
noun
A repudiation on oath of a religious or political principle.
A solemn recantation or renunciation on oath; as, an abjuration of heresy.
The act of abjuring.
ablegation
ablegation
noun
(obsolete) Expulsion; banishment.
abnegation
abnegation
noun
A denial; a renunciation; denial of desire or self-interest.
abnegators
abnegators
noun
plural of abnegator
abolitions
abolitions
noun
plural of abolition
abominated
abominated
verb
simple past tense and past participle of abominate
abominates
abominates
verb
Third-person singular simple present indicative form of abominate
abominator
abominator
noun
One who abominates.
abonnement
abonnement
noun
A subscription or season ticket in a French-speaking country or another country where abonnement is the local term.
aborsement
aborsement
noun
(obsolete) Abortment; abortion
abortional
abortional
adj
(rare) Pertaining to abortion; miscarrying; abortive.
abreaction
abreaction
noun
(psychoanalysis) The re-living of an experience with a view to purging its emotional dross.
abrogating
abrogating
verb
present participle of abrogate
abrogation
abrogation
noun
The act of abrogating; a repeal by authority; abolition.
absinthole
absolution
absolution
noun
(civil law, obsolete) An acquittal, or sentence of a judge declaring an accused person innocent.
(ecclesiastical) An absolving of sins from ecclesiastical penalties by an authority.
(obsolete) Delivery, in speech.
An absolving, or setting free from guilt, sin, or penalty; forgiveness of an offense.
The forgiveness of sins, in a general sense.
The form of words by which a penitent is absolved.
absorbents
absorbents
noun
plural of absorbent
absorbtion
absorbtion
noun
Misspelling of absorption.
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.
abstention
abstention
noun
(obsolete) The act of restraining oneself.
Non-participation in the political world; as a country avoiding international affairs.
The act of abstaining or refraining (from).
The act of declining to vote on a particular issue.
abstersion
abstersion
noun
(archaic) Act of wiping clean; a cleansing; a purging.
abstertion
abstrusion
abstrusion
noun
(rare) The act of thrusting away.
absumption
absumption
noun
(obsolete) Destruction or disintegration, especially a gradual one; wasting away.
acanthodea
acanthodei
acanthodes
acanthodii
acanthomas
acanthopod
acanthopod
adj
Spiny-footed.
acanthoses
acanthoses
noun
plural of acanthosis
acanthosis
acanthosis
noun
(pathology) A benign abnormal thickening of the stratum spinosum, or prickle cell, layer of the epidermis.
acanthotic
acanthotic
adj
Of or relating to acanthosis.
accountant
accountant
adj
(obsolete) Accountable.
noun
(accounting) One who is skilled in, keeps, or adjusts, accounts; an officer in a public office, who has charge of the accounts.
(accounting) One whose profession includes organizing, maintaining and auditing the records of another. The records are usually, but not always, financial records.
(euphemistic) A sex worker, particularly one who does not want to be publicized as one
A reckoner, or someone who maintains financial matters for a person(s).
One who renders account; one accountable.
accounters
accounters
noun
plural of accounter
accounting
accounting
noun
(business) The development and use of a system for recording and analyzing the financial transactions and financial status of an individual or a business.
(law) An equitable remedy requiring wrongfully obtained profits to be distributed to those who deserve them.
A relaying of events; justification of actions.
verb
present participle of account
accoutring
accoutring
verb
present participle of accoutre
accretions
accretions
noun
plural of accretion
accrington
accrington
Proper noun
A town in Hyndburn borough, Lancashire, England.
accubation
accubation
noun
The act or posture of reclining on a couch, as practiced by the ancients at meals.
accusation
accusation
noun
(law) A formal charge brought against a person in a court of law.
An allegation.
The act of accusing.
aceconitic
acervation
acervation
noun
(obsolete, rare) A heaping up; accumulation
acetaminol
acetarsone
acetarsone
noun
Synonym of acetarsol
acetonemia
acetonemia
noun
(veterinary medicine) Presence of excessive levels of acetone in blood, sometimes occurring in cows during the first weeks after giving birth to a calf.
acetonemic
acetonemic
adj
Of or pertaining to acetonemia
acetonuria
acetonuria
noun
(pathology) A form of ketonuria characterized by the presence of acetone in the urine
acetopyrin
acherontic
acherontic
adj
Alternative form of Acherontic
achondrite
achondrite
noun
(astronomy, geology) Any stony meteorite that contains no chondrules
achromatin
achromatin
noun
(biology) Tissue that is not stained by fluid dyes.
acieration
acieration
noun
(rare) The conversion of iron into steel.
acolyctine
acolyctine
noun
(organic chemistry) An organic base, in the form of a white powder, obtained from Aconitum lycoctonum.
acotyledon
acotyledon
noun
(botany) A plant that has no cotyledons, as the dodder and all flowerless plants.
acousticon
acousticon
noun
(historical) A kind of hearing aid.
acrolithan
acrolithan
Adjective
Relating to, or like, an acrolith.
acroterion
acroterion
noun
Alternative form of acroterium
actiniform
actiniform
adj
Having a radiated form
actinocarp
actinogram
actinogram
noun
The record produced by an actinograph
actinoidea
actinolite
actinolite
noun
(mineralogy) A mineral with monoclinic crystals of the chemical formula Ca₂(Mg,Fe)₅Si₈O₂₂(OH)₂, belonging to the amphibole group.
actinology
actinology
noun
(sciences) The study of the effect of light on chemicals.
actinomere
actinomere
noun
(zoology) One of the radial segments making up the body of one of the Coelenterata or similar organism
actinonema
actinopoda
actinosoma
actinosome
actinosome
noun
(zoology) The entire body of a coelenterate.
actinozoal
actinozoal
adj
(zoology) Of or pertaining to the Actinozoa.
actinozoan
actinozoan
noun
Synonym of actinozoon
actinozoon
actinozoon
noun
(zoology) One of the Actinozoa.
actionable
actionable
adj
(law) Affording grounds for legal action.
I'm sure it's not good of me to write that he's a lush, but is it actionable?
That can be acted on; that can be used as the basis for taking action.
actionably
actionably
adv
In an actionable manner.
actionized
actionized
verb
simple past tense and past participle of actionize
actionless
actionless
adj
Lacking action; particularly with respect to entertainment, dull, boring.
activation
activation
noun
(biochemistry) The process by which molecules are made able to react.
(marketing) The promotion of a brand through an event or campaign.
(physics) The process of making a radioisotope by bombarding a stable element with neutrons or protons.
Making active and effective; bringing into a state of activity.
actomyosin
actomyosin
noun
(biochemistry) A protein complex composed of actin and myosin, found in muscle fibres.
acusection
acutorsion
acutorsion
noun
(medicine) The twisting of an artery with a needle to arrest hemorrhage.
adamantoid
adamantoid
noun
A crystal characterized by being bound by 48 equal triangles; a hexoctahedron.
adamantoma
adamantoma
noun
Alternative spelling of adamantinoma
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.
addictions
addictions
noun
plural of addiction
additional
additional
adj
Supplemental or added to something.
noun
Something added.
adelantado
adelantado
noun
(historical) A governor of a province; a commander, in Spain and other Spanish-speaking countries.
adenectomy
adenectomy
noun
(medicine) The removal of all or part of the adenoid glands by surgery.
adenoblast
adenoblast
noun
(cytology) An embryonic cell that can develop to form glandular parenchyma
adenopathy
adenopathy
noun
(pathology) Swelling or enlargement of the glands (especially the lymph nodes); any glandular disease.
adenostoma
adenotomic
adenotomic
adj
Pertaining to adenotomy (the dissection of or incision into a gland).
adequation
adequation
noun
(linguistics) A change in the meaning of a term depending upon context
(obsolete) The act of equalizing; act or result of making adequate; an equivalent.
equivalence
adhibition
adhibition
noun
The act of adhibiting.
adjunction
adjunction
noun
(category theory) Given a pair of categories 𝒞 and 𝒟: an anti-parallel pair of functors F:𝒞→𝒟 and G:𝒟→𝒞 and a natural transformation 𝜂: mbox id_C→GF called “unit” such that for any object A∈𝒞, for any object B∈𝒟, and for any morphism f:A→GB, there is a unique morphism g:FA→B such that Gg∘𝜂_A=f. (Note: there is another natural transformation called “counit” as well but its existence may be derived by theorem.) The pair of functors express a similarity between the pair of categories which is weaker than that of an equivalence of categories.
(law) The joining of personal property owned by one to that owned by another.
The act of joining; the thing joined or added.
adjuration
adjuration
noun
A grave warning.
A solemn oath.
adlegation
adlegation
noun
A right formerly claimed by the states of the German Empire of joining their own ministers with those of the emperor in public treaties and negotiations to the common interest of the empire.
admiration
admiration
noun
(obsolete) Cause of admiration; something to excite wonder, or pleased surprise.
(obsolete) Wondering or questioning (without any particular positive or negative attitude to the subject).
A positive emotion including wonder and approbation; the regarding of another as being wonderful
admonition
admonition
noun
Gentle or friendly reproof; counseling against fault or oversight; warning.
admonitive
admonitive
adj
Of or conveying admonition
admonitory
admonitory
adj
Of or pertaining to an admonition; serving to reprove, warn or advise.
admonitrix
admonitrix
noun
(archaic) A female admonitor.
adolescent
adolescent
adj
Of, relating to, or at the age of adolescence; at the stage between being a child and an adult.
noun
A person who is in adolescence; someone who has reached puberty but is not yet an adult.
adoptional
adoptional
adj
Of or relating to adoption.
adorations
adorations
noun
plural of adoration
adornation
adornation
Noun
adornment
adornments
adornments
noun
plural of adornment
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.
adroitness
adroitness
noun
skillfulness or ease of ability.
adsorbents
adsorbents
noun
plural of adsorbent
adsorption
adsorption
noun
The adhesion of a liquid or gas on the surface of a solid material, forming a thin film on the surface.
advocating
advocating
verb
present participle of advocate
advocation
advocation
noun
(Britain, law) The right of presenting to a vacant benefice or living in the church.
(Scotland, law) The process of removing a cause from an inferior court to the supreme court.
(archaic) Advocacy; the act of advocating or pleading.
advolution
advolution
noun
A rolling toward something; goal orientation.
aerobating
aerobating
verb
present participle of aerobate
aerodontia
aerodontic
aeromantic
aeromantic
adj
Pertaining to or of the nature of aeromancy.
aeronautic
aeronautic
adj
Having to do with aerial navigation
aeronomist
aeronomist
Noun
One who studies aeronomy.
aestuation
aethionema
aetiogenic
affections
affections
noun
plural of affection
verb
Third-person singular simple present indicative form of affection
affidation
affination
affination
noun
Part of the traditional sugar refining process in which molasses is removed from sugar crystals by washing with a heavy syrup
affinition
affinition
noun
(rare) The state or quality of being affined; mental affinity or attraction.
affixation
affixation
noun
(linguistics) The adding of an affix to a word.
affliction
affliction
noun
A state of pain, suffering, distress or agony.
Something which causes pain, suffering, distress or agony.
affronting
affronting
noun
The offering of an affront.
verb
present participle of affront
affrontive
affrontive
adj
Tending to affront or offend.
afternoons
afternoons
noun
plural of afternoon
aftersound
aftersound
noun
(acoustics) The second, slower phase of decay in the sound made by a piano string when it is struck.
(phonetics, obsolete) A weaker sound that immediately follows a more salient one, such as the second, less prominent vowel sound in a falling diphthong.
A sound that persists or remains audible after its source has ceased to produce it; the perception of such a sound.
aggelation
aggeration
aggeration
noun
A heaping up; accumulation.
agitations
agitations
noun
plural of agitation
aglutition
aglutition
noun
(medicine) Inability to swallow.
agnostical
agnostical
adj
Alternative form of agnostic
agnotozoic
agoniatite
agonistics
agonistics
noun
The range of activities associated with aggressive encounters between members of the same species, including threat, attack, appeasement, or retreat.