(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.
abbroachment
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.
abolitionary
abolitionary
adj
Relating to or favoring abolition.
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.
absorptances
absorptances
noun
plural of absorptance
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
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.
acceleratorh
accelerators
accelerators
noun
plural of accelerator
acceleratory
acceleratory
adj
accelerative
accommodator
accommodator
noun
One who accommodates.
accordaturas
accordionist
accordionist
noun
Someone who plays the accordion.
accouterment
accouterment
noun
(archaic) The act of accoutering; furnishing.
(by extension) An identifying yet superficial characteristic.
(chiefly in the plural) An article of clothing or equipment, in particular when used as an accessory.
(military, chiefly in the plural) A soldier's equipment, other than weapons and uniform.
accoutrement
accoutrement
noun
(Commonwealth) Alternative form of accouterment
accretionary
accretionary
adj
Of, pertaining to, or in the form of an accretion
accroachment
accroachment
noun
(obsolete) An encroachment; usurpation.
accumulators
accumulators
noun
plural of accumulator
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.
acetochloral
acetomorphin
acetonitrile
acetonitrile
noun
(organic chemistry) The simplest organic cyanide or nitrile, CH₃CN, formally derived from acetic acid
acetostearin
acherontical
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
achromatopsy
achromatopsy
noun
color blindness; inability to distinguish colors; daltonism, achromatopia
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
acocantherin
acocantherin
noun
Alternative form of acokantherin
acroamatical
acroamatical
adj
Synonym of acroamatic
acrobystitis
acrocentrics
acrocentrics
noun
plural of acrocentric
acrodactylum
acrodactylum
noun
The upper surface of a toe
acroesthesia
acroesthesia
noun
Alternative spelling of acroaesthesia
acromastitis
acromyotonia
acromyotonia
noun
(pathology) myotonia of the limbs
acromyotonus
acromyotonus
noun
Synonym of acromyotonia
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.
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.
adiaphoretic
adiponitrile
adiponitrile
noun
(organic chemistry) The nitrile derived from adipic acid
adjournments
adjournments
noun
plural of adjournment
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.
adrenotropic
adrenotropic
adj
That stimulates the adrenal glands or adrenal cortex
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.
adulterators
adulterators
noun
plural of adulterator
adulterously
adulterously
adv
In an adulterous manner.
adumbrations
adumbrations
noun
plural of adumbration
adverbiation
advertorials
advertorials
noun
plural of advertorial
aegirinolite
aeolotropism
aeolotropism
noun
aeolotropy
aerification
aerification
noun
Aeration, especially of the soil.
Transformation into air or gas.
aeroacoustic
aeroacoustic
adj
Relating to aeroacoustics.
aerodonetics
aerodonetics
noun
the study of the stability of aircraft in flight, especially the study of gliders
aeroelastics
aeroelastics
noun
aeroelasticity
aeromagnetic
aeromagnetic
adj
Of or pertaining to aeromagnetics
aeronautical
aeronautical
adj
Of or pertaining to the scientific study of flight
aeroplankton
aeroplankton
noun
The tiny lifeforms that float and drift in the air, carried by the current of the wind.
aeropleustic
aeropleustic
adj
(humorous) Of or pertaining to aerial navigation.
aeroporotomy
aerosiderite
aerosiderite
noun
A mass of meteoric iron.
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.
affirmations
affirmations
noun
plural of affirmation
afforestable
afforestable
adj
Suitable for being afforested.
afforestment
afforestment
noun
The process of afforesting.
affrontingly
affrontingly
adv
in an affronting manner
aforethought
aforethought
adj
(postpositive) Premeditated; planned ahead of time.
afterthought
afterthought
noun
A reflection after an act; a later or subsequent thought, action, or expedient.
Something additional to the original plan or concept.
verb
(very rare except in the past tense, possibly nonstandard) To expound as an afterthought.
simple past tense and past participle of afterthink
afterworking
ageometrical
agglomerated
agglomerated
verb
simple past tense and past participle of agglomerate
agglomerates
agglomerates
verb
Third-person singular simple present indicative form of agglomerate
agglomeratic
agglomeratic
adj
(geology) Of or relating to an agglomerate.
agglomerator
agglomerator
noun
A device that agglomerates material.
agglutinator
agglutinator
noun
That which agglutinates
aggradations
aggradations
noun
plural of aggradation
aggravations
aggravations
noun
plural of aggravation
aggregations
aggregations
noun
plural of aggregation
aghorapanthi
agranulocyte
agranulocyte
noun
(biochemistry) Any of several kinds of white blood cell characterised by the absence of granules in the cytoplasm.
agriotypidae
agroforester
agroforester
noun
One who takes part in agroforestry
agroforestry
agroforestry
noun
An agricultural approach of using the interactive benefits from combining trees and shrubs with crops and/or livestock.
agrostologic
agrostologic
adj
Alternative form of agrostological
aircondition
airworthiest
airworthiest
adj
superlative form of airworthy: most airworthy
akrochordite
akrochordite
noun
(mineralogy) A monoclinic-prismatic reddish brown mineral containing arsenic, hydrogen, magnesium, manganese, and oxygen.
alcaptonuria
alcaptonuria
noun
Alternative spelling of alkaptonuria
alcoholature
alcoholature
noun
(medicine, dated) An alcoholic tincture prepared with fresh plants.
alcoholmeter
alcoholmeter
noun
Alternative form of alcoholometer
aldosterones
aldosterones
noun
plural of aldosterone
alectoridine
algesiometer
algometrical
algometrical
adj
Relating to algometry.
alkaptonuria
alkaptonuria
noun
(medicine) A rare inherited genetic disorder of phenylalanine and tyrosine metabolism, causing the accumulation and eventual excretion of alkapton.
alkaptonuric
alkaptonuric
adj
Relating to alkaptonuria
allegorister
allegoristic
allegoristic
adj
allegorical
allelotropic
alligatoring
alligatoring
noun
(painting) A pattern of cracking of paint on a surface leaving roughly hexagonal areas of uncracked paint.
(roofing) The cracking of the surfacing bitumen on a bituminous roof or coating on a SPF roof, producing a pattern of cracks similar to an alligator's hide.
verb
present participle of alligator
alliteration
alliteration
noun
The recurrence of the same letter in accented parts of words, as in Anglo-Saxon alliterative meter.
The repetition of consonant sounds at the beginning of two or more words immediately succeeding each other, or at short intervals.