(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.
abbreviators
abbreviators
noun
plural of abbreviator
abbreviatory
abbreviatory
adj
Serving or tending to abbreviate; shortening; abridging.
aberrational
aberrational
adj
Characterized by aberration.
abirritation
abirritation
noun
(medicine) A pathological condition opposite to that of irritation; debility; asthenia; atony.
(medicine) Decreased response to stimuli.
abnormalcies
abnormalcies
noun
plural of abnormalcy
abnormalised
abnormalised
verb
simple past tense and past participle of abnormalise
abnormalized
abnormalized
verb
simple past tense and past participle of abnormalize
abolitionary
abolitionary
adj
Relating to or favoring abolition.
aboriginally
aboriginally
adv
(Canada) By indigenous Canadians (often capitalized in this sense).
From or in the earliest known times.
In the period before contact with Europeans (especially with reference to peoples subjected to colonization).
To the utmost degree (modifying an adjective).
abortionists
abortionists
noun
plural of abortionist
abortiveness
abortiveness
noun
(countable) The result or product of being abortive.
(uncountable) The quality of being abortive.
abrasiometer
abrasiometer
noun
A device which measures the resistance of surfaces to abrasion.
absorbancies
absorbancies
noun
plural of absorbancy
absorbencies
absorbencies
noun
plural of absorbency
absorptional
absorptional
adj
Relating to absorption.
absorptively
absorptively
adv
In an absorptive way.
absorptivity
absorptivity
noun
(analytical chemistry) The constant a in the Beer's law relation A = abc, where A is the absorbance, b the path length, and c the concentration of solution. Also known as absorptive power. Formerly known as absorbency index; absorption constant; extinction coefficient.
(thermodynamics) The fraction of radiation absorbed by a surface to the total radiation incident on the surface.
The quality of being absorptive; absorptiveness.
abstractions
abstractions
noun
plural of abstraction
acanthopteri
acanthopteri
noun
(zoology) A group of teleostean fishes having spiny fins. See Acanthopterygii.
acaridomatia
acarocecidia
acarocecidia
noun
plural of acarocecidium
acarophilous
acarophilous
adj
(biology, rare) That lives in a symbiosis with mites
(botany, rare) That is pollinated by mites
acategorical
acategorical
adj
Not categorical; not subject to being included in a category.
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.
accessorised
accessorised
verb
simple past tense and past participle of accessorise
accessorises
accessorises
verb
Third-person singular simple present indicative form of accessorise
accessorized
accessorized
adj
Wearing accessories.
verb
simple past tense and past participle of accessorize
accessorizes
accessorizes
verb
Third-person singular simple present indicative form of accessorize
accomplisher
accomplisher
noun
One who accomplishes.
accordionist
accordionist
noun
Someone who plays the accordion.
accretionary
accretionary
adj
Of, pertaining to, or in the form of an accretion
accusatorial
accusatorial
adj
(law) Of or pertaining to the system of a public trial in which the facts are ascertained by the judge or jury from evidence presented by the prosecution and the defence.
Containing or implying accusation.
acerbophobia
acetomorphin
acetonitrile
acetonitrile
noun
(organic chemistry) The simplest organic cyanide or nitrile, CH₃CN, formally derived from acetic acid
acetostearin
achariaceous
acherontical
achlorhydria
achlorhydria
noun
(medicine) The absence of hydrochloric acid in the stomach
achlorhydric
achlorhydric
adj
(pathology) Of or pertaining to achlorhydria
achrodextrin
achrodextrin
noun
(biochemistry, cytology) A form of dextrin that is not colourable by iodine
achromatinic
achromatinic
adj
(cytology, of a cell nucleus) Lacking the ability to be coloured by a stain.
achromatised
achromatised
verb
simple past tense and past participle of achromatise
achromatisms
achromatisms
noun
plural of achromatism
achromatized
achromatized
verb
simple past tense and past participle of achromatize
achromatizes
achromatizes
verb
Third-person singular simple present indicative form of achromatize
achromatopia
achromatopia
noun
defective ability to see colours
achromatosis
achromatosis
noun
(pathology) achromia, albinism
achromaturia
achromaturia
noun
(pathology) The lack of pigments (especially bile pigments) in the urine
acinotubular
acinotubular
adj
(anatomy) Having both acini and tubules
acipenseroid
acipenseroid
noun
Synonym of chondrostean
acocantherin
acocantherin
noun
Alternative form of acokantherin
acridophagus
acridophagus
noun
(rare) One who eats grasshoppers and locusts
acroamatical
acroamatical
adj
Synonym of acroamatic
acroasphyxia
acroasphyxia
noun
(pathology) Impaired circulation to the fingers
acrobystitis
acrocentrics
acrocentrics
noun
plural of acrocentric
acrocephalia
acrocephalia
noun
(medicine) A deformity of the head in which the top is more or less pointed.
acrocephalic
acrocephalic
adj
Possessing a pointed skull.
noun
A person suffering from a pointed skull.
acroconidium
acrocoracoid
acrocoracoid
adj
Of or pertaining to this extension.
noun
(anatomy) A dorsal expansion of the coracoid bone which completes the opening for the triosseal canal.
acrocyanosis
acrocyanosis
noun
(pathology) A persistent blue or cyanotic discoloration of the digits, most commonly occurring in the hands although also occurring in the face and feet as well.
acroesthesia
acroesthesia
noun
Alternative spelling of acroaesthesia
acromastitis
acromegalics
acromegalics
noun
plural of acromegalic
acromegalies
acromegalies
noun
plural of acromegaly
acromelalgia
acromelalgia
noun
(pathology) melalgia of the hands or feet
acromiohyoid
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.
acroneurosis
acronichally
acronymizing
acronymizing
verb
present participle of acronymize
acrophonetic
acrophonetic
adj
Of or pertaining to acrophony.
acrostically
acrostically
adv
In the manner of an acrostic.
acrosticheae
acrostichoid
acrostichoid
adj
(botany, of a fern) Whose sori densely cover the underside of the frond like a felt, without visible gaps between them.
acroteleutic
acroteleutic
noun
(obsolete, Christianity) The end of a verse or psalm, or something added to it, to be sung by the people by way of a response.
acroterteria
acrotretidae
actiniferous
actiniferous
adj
Containing or producing actinium
actinobranch
actinobranch
noun
(biology) An organ, in some anthozoans, that functions as a gill
actinocarpic
actinocrinid
actinocrinus
actinography
actinography
noun
measurement with an actinograph
actinometers
actinometers
noun
plural of actinometer
actinometric
actinometric
adj
Measured using an actinometer
Of or pertaining to actinometry
actinomorphy
actinomorphy
noun
The condition of being actinomorphic.
actinophryan
actinopraxis
actinopteran
actinotrocha
actinotrocha
noun
The larva of a phoronid.
acyrological
adelomorphic
adenofibroma
adenofibroma
noun
(pathology) A benign glandular and fibrous (connective) neoplasm
adenographic
adenographic
adj
Pertaining to adenography.
adenoviruses
adenoviruses
noun
plural of adenovirus
adiamorphism
adiaphoresis
adiaphoresis
noun
(medicine) Lack of sweating; anhidrosis.
adiaphoretic
adipofibroma
adiponitrile
adiponitrile
noun
(organic chemistry) The nitrile derived from adipic acid
adjudicators
adjudicators
noun
plural of adjudicator
adjudicatory
adjudicatory
adj
Of or pertaining to an adjudication.
admonitioner
admonitioner
noun
(obsolete) An admonisher; one who admonishes.
admonitorial
admonitorial
adj
(rare) admonitory
admonitorily
admonitorily
adv
In an admonitory manner.
adpromission
adrenotropic
adrenotropic
adj
That stimulates the adrenal glands or adrenal cortex
adrianopolis
adroitnesses
adroitnesses
noun
plural of adroitness
adsorptively
adsorptively
adv
In an adsorptive manner; with a tendency toward or characteristic of adsorption.
adstipulator
adulteration
adulteration
noun
The action of adulterating, being mixed with extraneous material, illicit substitution of one substance for another.
adumbrations
adumbrations
noun
plural of adumbration
adverbiation
adversarious
adversarious
adj
(archaic) hostile; adversarial
advertorials
advertorials
noun
plural of advertorial
aecidiospore
aegagropilae
aegagropiles
aegirinolite
aelurophobia
aelurophobia
noun
Alternative spelling of ailurophobia
aeolotropism
aeolotropism
noun
aeolotropy
aeolsklavier
aeolsklavier
noun
(music, historical) A modification of the aeolodicon, having wooden reeds or springs, and a pedal which triggered a set of bellows (one for each note) and produced a soft and ethereal sound.
aerification
aerification
noun
Aeration, especially of the soil.
Transformation into air or gas.
aeroacoustic
aeroacoustic
adj
Relating to aeroacoustics.
aerobicizing
aerobicizing
verb
present participle of aerobicize
aerobiologic
aerobiologic
adj
Pertaining to, or characteristic of, aerobiology.
aerobioscope
aerobioscope
noun
An instrument that collects the bacterial content of air
aerobranchia
aerocharidae
aerodonetics
aerodonetics
noun
the study of the stability of aircraft in flight, especially the study of gliders
aerodynamics
aerodynamics
noun
The aerodynamic properties of a particular object (typically a car)
The science of the dynamics of bodies moving relative to gases, especially the interaction of moving objects with the atmosphere
aeroelastics
aeroelastics
noun
aeroelasticity
aeroembolism
aeroembolism
noun
An embolism that results from the introduction, (or the formation under reduced pressure) of air bubbles in the blood.
aerographics
aerographics
noun
Synonym of aerography (“production of weather charts”)
aerographies
aeromagnetic
aeromagnetic
adj
Of or pertaining to aeromagnetics
aeromechanic
aeromechanic
noun
A mechanic in the aircraft industry
aeromedicine
aeromedicine
noun
Aviation or aerospace medicine.
aeronautical
aeronautical
adj
Of or pertaining to the scientific study of flight
aeroneurosis
aeroneurosis
noun
(aviation, medicine, pathology) A disorder afflicting pilots and members of aviation crews, characterized by exhaustion, fearfulness, and other symptoms of physical and emotional distress, associated with prolonged flying times and stressful flight conditions.
aerophysical
aerophysical
adj
Relating to aerophysics.
aeropleustic
aeropleustic
adj
(humorous) Of or pertaining to aerial navigation.
aerosiderite
aerosiderite
noun
A mass of meteoric iron.
aerosolizing
aerosolizing
verb
present participle of aerosolize
aerostatical
aerostatical
adj
Of or relating to aerostatics; pneumatic.
aeronautic
aerotechnics
aerotechnics
noun
aeronautics (aeronautic technology)
aethrioscope
aethrioscope
noun
(meteorology) A device for measuring temperature variations due to different atmospheric conditions, such as cloud or clear skies.