(anatomy) A term sometimes used for diarthrosis, and also for synarthrosis. Also called dearticulation.
(anatomy) An articulation, especially one that permits free motion in the joint; a hinge joint.
The act of dislocating a joint.
abbreviation
abbreviation
noun
(biology) Loss during evolution of the final stages of the ancestral ontogenetic pattern.
(linguistics) A shortened or contracted form of a word or phrase, used to represent the whole, utilizing omission of letters, and sometimes substitution of letters, or duplication of initial letters to signify plurality, including signs such as +, =, @.
(mathematics) Reduction to lower terms, as a fraction.
(music) A notation used in music score to denote a direction, as pp or mf.
(music) One or more dashes through the stem of a note, dividing it respectively into quavers, semiquavers, demisemiquavers, or hemidemisemiquavers.
Any convenient short form used as a substitution for an understood or inferred whole.
The process of abbreviating.
The result of shortening or reducing; abridgment.
abbreviations
abbreviations
noun
plural of abbreviation
abdominoanterior
abdominohysterectomy
abdominohysterectomy
noun
(surgery) Removal of the uterus via an incision made in the abdominal wall rather than via the vagina.
abdominohysterotomy
abdominohysterotomy
noun
(surgery) An incision of the uterus, done through a surgical hole in the abdomen.
abdominoposterior
abdominothoracic
abdominothoracic
adj
Relating to the abdomen and the thorax, or chest.
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.
aberrational
aberrational
adj
Characterized by aberration.
aberrations
aberrations
noun
plural of aberration
abirritation
abirritation
noun
(medicine) A pathological condition opposite to that of irritation; debility; asthenia; atony.
(medicine) Decreased response to stimuli.
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.
abjurations
abjurations
noun
plural of abjuration
ablutionary
ablutionary
adj
Pertaining to ablution.
abnormalist
abnormalist
noun
(Christianity, theology) One who believes that the cosmos is in an abnormal state that can only be set right by divine influence.
abnormalities
abnormalities
noun
plural of abnormality
abnormality
abnormality
noun
Something abnormal; an aberration; an abnormal occurrence or feature.
The state or quality of being abnormal; variation; irregularity.
abnormities
abnormities
noun
plural of abnormity
abnormity
abnormity
noun
(rare) Alternative form of abnormality
A monstrosity
abolitionary
abolitionary
adj
Relating to or favoring abolition.
abominator
abominator
noun
One who abominates.
abominators
abominators
noun
plural of abominator
aboriginality
aboriginality
noun
The distinctive culture of aboriginal peoples
The quality of being aboriginal.
The spiritual bonds between the aboriginal people and their place of heritage.
abortient
abortient
adj
(archaic, medicine) Reproductively sterile or miscarrying.
noun
(archaic, medicine) Abortifacient; an agent producing abortion.
abortifacient
abortifacient
adj
(pharmacology) Producing miscarriage.
noun
(pharmacology) A drug or an agent that induces an abortion.
abortin
abortin
noun
An extract manufactured from the bacterium Brucella abortus, and is used to study contagious abortions in cattle.
aborting
aborting
verb
present participle of abort
abortion
abortion
noun
(biology) Arrest of development of any organ, so that it remains an imperfect formation or is absorbed.
(figuratively) A misshapen person or thing; a monstrosity.
(figuratively) Failure or abandonment of a project, promise, goal etc.
(medicine) The expulsion from the womb of a foetus or embryo before it is fully developed, with loss of the foetus; either naturally as a spontaneous abortion (now usually called a miscarriage), or deliberately as an induced abortion.
(now rare) An aborted foetus; an abortus.
The cessation of an illness or disease at a very early stage.
abortional
abortional
adj
(rare) Pertaining to abortion; miscarrying; abortive.
abortionist
abortionist
noun
(chiefly derogatory) A person who advocates for or supports the legality of abortion.
(now sometimes offensive) A person who performs abortions, especially illegally or secretly.
abortionists
abortionists
noun
plural of abortionist
abortions
abortions
noun
plural of abortion
abortiveness
abortiveness
noun
(countable) The result or product of being abortive.
(uncountable) The quality of being abortive.
abortogenic
abortogenic
adj
Causing abortion; abortifacient.
noun
A substance that induces abortion; an abortifacient.
abreaction
abreaction
noun
(psychoanalysis) The re-living of an experience with a view to purging its emotional dross.
The act of abrogating; a repeal by authority; abolition.
abrogations
abrogations
noun
plural of abrogation
abrotin
abrotine
abrotine
noun
A colorless crystalline alkaloid obtained from abrotanum, C₂₁H₂₂N₂O.
abruption
abruption
noun
(archaic) A sudden termination or interruption.
A sudden breaking off; a violent separation of bodies.
abruptiones
absorbefacient
absorbefacient
adj
(medicine) Inducing or increasing absorption (of a drug).
noun
(medicine) Any such medicine that induces absorption.
absorbition
absorbition
noun
(obsolete) absorption
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.
absorptional
absorptional
adj
Relating to absorption.
absorptions
absorptions
noun
plural of absorption
absorptiveness
absorptiveness
noun
The quality of being absorptive; absorptive power.
abstersion
abstersion
noun
(archaic) Act of wiping clean; a cleansing; a purging.
abstertion
abstraction
abstraction
noun
(art) An abstract creation, or piece of art; qualities of artwork that are free from representational aspects.
(chemistry) A separation of volatile parts by the act of distillation.
(computing) Any generalization technique that ignores or hides details to capture some kind of commonality between different instances for the purpose of controlling the intellectual complexity of engineered systems, particularly software systems.
(computing) Any intellectual construct produced through the technique of abstraction.
(engineering) Removal of water from a river, lake, or aquifer.
(euphemistic) The taking surreptitiously for one's own use part of the property of another; purloining.
(geology) The merging of two river valleys by the larger of the two deepening and widening so much so, as to assimilate the smaller.
A member of an idealized subgroup when contemplated according to the abstracted quality which defines the subgroup.
A separation from worldly objects; a recluse life; the withdrawal from one's senses.
Absence or absorption of mind; inattention to present objects; preoccupation.
Abstraction is necessary for the classification of things into genera and species.
An idea of an idealistic, unrealistic or visionary nature.
An idea or notion of an abstract or theoretical nature.
Any characteristic of an individual object when that characteristic has been separated from the object and is contemplated alone as a quality having independent existence.
The act of abstracting, separating, withdrawing, or taking away; withdrawal; the state of being taken away.
The act of comparing commonality between distinct objects and organizing using those similarities; the act of generalizing characteristics; the product of said generalization.
The act of focusing on one characteristic of an object rather than the object as a whole group of characteristics; the act of separating said qualities from the object or ideas.
The result of mentally abstracting an idea; the product of any mental process involving a synthesis of: separation, despecification, generalization, and ideation in any of a number of combinations.
abstractional
abstractional
adj
Pertaining to abstraction.
abstractionism
abstractionism
noun
The creation, principles, or ideals of abstractions, in particular art.
The presentation of ideas in an abstract manner.
abstractionist
abstractionist
adj
Related or tending to abstractionism, particularly art.
noun
(art) Someone who supports or creates abstract art.
An idealist.
abstractionists
abstractionists
noun
plural of abstractionist
abstractions
abstractions
noun
plural of abstraction
abstriction
abstriction
noun
(biology, mycology) A method of spore formation in fungi in which successive portions of the sporophore are cut off through the growth of septa; abjunction.
abstrusion
abstrusion
noun
(rare) The act of thrusting away.
acanthomeridae
acanthopteri
acanthopteri
noun
(zoology) A group of teleostean fishes having spiny fins. See Acanthopterygii.
acanthopterygian
acanthopterygian
adj
(zoology) Similar to an acanthopterygian.
noun
(zoology) Any fish of the superorder Acanthopterygii.
acanthopterygii
acceleration
acceleration
noun
(countable) The amount by which a speed or velocity increases (and so a scalar quantity or a vector quantity).
(physics) The change of velocity with respect to time (can include deceleration or changing direction).
(uncountable) The act of accelerating, or the state of being accelerated; increase of motion or action; as opposed to retardation or deceleration.
The advancement of students at a rate that places them ahead of where they would be in the regular school curriculum.
accelerations
accelerations
noun
plural of acceleration
accersition
accordionist
accordionist
noun
Someone who plays the accordion.
accordionists
accordionists
noun
plural of accordionist
accorporation
accoutering
accoutering
verb
present participle of accouter
accoutring
accoutring
verb
present participle of accoutre
accreditation
accreditation
noun
(education) The granting of approval to an institution of higher learning by an official review board after the school has met certain requirements.
The act of accrediting.
The giving of credentials.
accreditations
accreditations
noun
plural of accreditation
accrementition
accrementition
noun
(physiology) The process of generation by development of blastema, or fission of cells, in which the new formation is in all respect like the individual from which it proceeds.
accretion
accretion
noun
(astrophysics) The formation of planets and other bodies by collection of material through gravity.
(biology) A growing together of parts naturally separate, as of the fingers or toes.
(geology) The gradual increase of land by deposition of water-borne sediment.
(law) Gain to an heir or legatee; failure of a coheir to the same succession, or a co-legatee of the same thing, to take his share percentage.
(law) The adhering of property to something else, by which the owner of one thing becomes possessed of a right to another; generally, gain of land by the washing up of sand or sail from the sea or a river, or by a gradual recession of the water from the usual watermark.
Concretion; coherence of separate particles.
Something added externally to promote the external growth of an item.
The act of increasing by natural growth; especially the increase of organic bodies by the internal accession of parts; organic growth.
The act of increasing, or the matter added, by an accession of parts externally; an extraneous addition.
accretionary
accretionary
adj
Of, pertaining to, or in the form of an accretion
accretions
accretions
noun
plural of accretion
accrington
accrington
Proper noun
A town in Hyndburn borough, Lancashire, England.
acculturation
acculturation
noun
A process by which a person acquires the culture of the society that they inhabit, starting at birth.
A process by which the culture of an isolated society changes on contact with a different one.
acculturational
acculturational
adj
Of or pertaining to acculturation
acculturationist
acculturationist
noun
A specialist in the study of acculturation.
accurtation
aceanthrenequinone
acervation
acervation
noun
(obsolete, rare) A heaping up; accumulation
acetoarsenite
acetoarsenite
noun
(chemistry) Any mixed salt containing both acetate and arsenite anions
acetobromanilide
acetomorphin
acetomorphine
acetomorphine
noun
heroin
acetonitrile
acetonitrile
noun
(organic chemistry) The simplest organic cyanide or nitrile, CH₃CN, formally derived from acetic acid
acetonuria
acetonuria
noun
(pathology) A form of ketonuria characterized by the presence of acetone in the urine
acetopiperone
acetopyrin
acetopyrine
acetopyrine
noun
(medicine) An acetylsalicylate of antipyrine
acetostearin
acetylcholinesterase
acetylcholinesterase
noun
(biochemistry) An enzyme that catalyzes the hydrolysis of the neurotransmitter acetylcholine into choline and acetic acid.
acetylmethylcarbinol
acetylmethylcarbinol
noun
(organic chemistry) acetoin
acetylrosaniline
acetyltropeine
acherontic
acherontic
adj
Alternative form of Acherontic
acherontical
achondrite
achondrite
noun
(astronomy, geology) Any stony meteorite that contains no chondrules
achondrites
achondrites
noun
plural of achondrite
achondritic
achondritic
adj
(geology) Of or pertaining to achondrites, a type of stony meteorite.
achondroplastic
achondroplastic
adj
(teratology) Of, related to, or suffering from achondroplasia.
achrodextrin
achrodextrin
noun
(biochemistry, cytology) A form of dextrin that is not colourable by iodine
achrodextrinase
achromatin
achromatin
noun
(biology) Tissue that is not stained by fluid dyes.
achromatinic
achromatinic
adj
(cytology, of a cell nucleus) Lacking the ability to be coloured by a stain.
achromatisation
achromatising
achromatising
verb
present participle of achromatise
achromatization
achromatization
noun
The act or process of achromatizing.
achromatizing
achromatizing
verb
present participle of achromatize
achroodextrin
achroodextrin
noun
Alternative form of achrodextrin
achroodextrinase
acieration
acieration
noun
(rare) The conversion of iron into steel.
acinetiform
acinetiform
adj
(zoology) Resembling the Acinetae.
acinotubular
acinotubular
adj
(anatomy) Having both acini and tubules
acocantherin
acocantherin
noun
Alternative form of acokantherin
acroanesthesia
acroanesthesia
noun
Alternative form of acroanaesthesia
acrocentric
acrocentric
adj
(genetics) (of a chromosome) Having the centromere very near to one end, and thus having a long arm, and a very short arm.
noun
A chromosome that has the centromere very near to one end, and thus has a long arm, and a very short arm.
acrocentrics
acrocentrics
noun
plural of acrocentric
acrocorinth
acrodontism
acrolithan
acrolithan
Adjective
Relating to, or like, an acrolith.
acromiosternal
acromonogrammatic
acromonogrammatic
adj
(poetry) Having each verse begin with the same letter as that with which the preceding verse ends.
acromyotonia
acromyotonia
noun
(pathology) myotonia of the limbs
acronarcotic
acronarcotic
adj
(medicine) Of a substance, both acrid and narcotic; irritant in local effect and narcotic in action upon the nerve centers.
acrophonetic
acrophonetic
adj
Of or pertaining to acrophony.
acropolitan
acropolitan
adj
Of or befitting an acropolis, especially in lofty glory and in the capacity to inspire awe; compare Acropolitan.
acrostolion
acroterion
acroterion
noun
Alternative form of acroterium
acrotrophoneurosis
acrylonitrile
acrylonitrile
noun
(organic chemistry) A toxic colourless liquid organic compound, CH₂=CH.CN, synthesized from propylene and ammonia; used as a monomer in the production of acrylic resins and synthetic rubber.
actinautographic
actinautographic
adj
(obsolete, photography) That produces a developable impression on light-sensitive material without contact
actinautography
actinautography
noun
(obsolete, photography) The production of an actinautographic image
actiniferous
actiniferous
adj
Containing or producing actinium
actiniform
actiniform
adj
Having a radiated form
actiniochrome
actiniochrome
noun
A red to violet pigment present in some Actinozoa
actiniomorpha
actinobranch
actinobranch
noun
(biology) An organ, in some anthozoans, that functions as a gill
actinobranchia
actinobranchia
noun
Alternative form of actinobranch
actinocarp
actinocarpic
actinocarpous
actinochemistry
actinochemistry
noun
The science of chemistry and actinism.
actinocrinid
actinocrinidae
actinocrinite
actinocrinite
noun
A crinoid of the genus Actinocrinus present only as fossils