(zoology) A group of teleostean fishes having spiny fins. See Acanthopterygii.
acarocecidia
acarocecidia
noun
plural of acarocecidium
acategorical
acategorical
adj
Not categorical; not subject to being included in a category.
accelerandos
accelerandos
noun
plural of accelerando
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
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.
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.
acerbophobia
acetochloral
acetomorphin
acetonitrile
acetonitrile
noun
(organic chemistry) The simplest organic cyanide or nitrile, CH₃CN, formally derived from acetic acid
acetostearin
achariaceous
acherontical
achrodextrin
achrodextrin
noun
(biochemistry, cytology) A form of dextrin that is not colourable by iodine
achromatised
achromatised
verb
simple past tense and past participle of achromatise
achromatized
achromatized
verb
simple past tense and past participle of achromatize
achromatizes
achromatizes
verb
Third-person singular simple present indicative form of achromatize
achromoderma
achromoderma
noun
(pathology) A lack of pigmentation in the skin
acipenseroid
acipenseroid
noun
Synonym of chondrostean
acknowledger
acknowledger
noun
One who acknowledges.
acocantherin
acocantherin
noun
Alternative form of acokantherin
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.
acroesthesia
acroesthesia
noun
Alternative spelling of acroaesthesia
acrogenously
acrogenously
adv
In an acrogenous manner.
acromegalics
acromegalics
noun
plural of acromegalic
acromegalies
acromegalies
noun
plural of acromegaly
acromelalgia
acromelalgia
noun
(pathology) melalgia of the hands or feet
acroneurosis
acrophonetic
acrophonetic
adj
Of or pertaining to acrophony.
acrosticheae
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
actinometers
actinometers
noun
plural of actinometer
actinometric
actinometric
adj
Measured using an actinometer
Of or pertaining to actinometry
actinopteran
adelomorphic
adenographic
adenographic
adj
Pertaining to adenography.
adenosarcoma
adenosarcoma
noun
An uncommon form of cancer that arises from mesenchymal tissue and has a benign glandular component.
adiaphoretic
adrenochrome
adrenochrome
noun
(biochemistry) An oxidation product of adrenaline or epinephrine; its semicarbazone is used as a drug to reduce bleeding.
(fiction) A fictional drug obtained from human adrenal glands.
adrenotropic
adrenotropic
adj
That stimulates the adrenal glands or adrenal cortex
aechmophorus
aecidiospore
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
aerographics
aerographics
noun
Synonym of aerography (“production of weather charts”)
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
aerophysical
aerophysical
adj
Relating to aerophysics.
aeropleustic
aeropleustic
adj
(humorous) Of or pertaining to aerial navigation.
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.
agaricaceous
agaricaceous
adj
(mycology) Belonging to the Agaricaceae.
ageometrical
agglomeratic
agglomeratic
adj
(geology) Of or relating to an agglomerate.
agranulocyte
agranulocyte
noun
(biochemistry) Any of several kinds of white blood cell characterised by the absence of granules in the cytoplasm.
agriochoerus
agrochemical
agrochemical
adj
Relating to agrochemistry.
noun
(chemistry) A chemical compound, such as a hormone, fungicide, or insecticide, that improves the production of crops.
A compound or product derived from farmed plants.
akrochordite
akrochordite
noun
(mineralogy) A monoclinic-prismatic reddish brown mineral containing arsenic, hydrogen, magnesium, manganese, and oxygen.
alcoholature
alcoholature
noun
(medicine, dated) An alcoholic tincture prepared with fresh plants.
alcoholmeter
alcoholmeter
noun
Alternative form of alcoholometer
alectoridine
algometrical
algometrical
adj
Relating to algometry.
allegoristic
allegoristic
adj
allegorical
allelotropic
alloiometric
alloisomeric
alloisomeric
adj
(chemistry) Relating to an alloisomer or to alloisomerism
allotelluric
alpenstocker
alpenstocker
noun
A mountain-climber, especially one that uses an alpenstock.
altercations
altercations
noun
plural of altercation
ambicolorate
ambleocarpus
ambrosiaceae
amenorrhoeic
amenorrhoeic
adj
(medicine) Pertaining to the suppression of menstruation other than during pregnancy
noun
One who does not menstruate.
americomania
americophobe
americophobe
Noun
Americanophobe
aminovaleric
amoebobacter
amperometric
amperometric
adj
(chemistry, physics) That involves measurement of an electric current during a process such as titration
amphotericin
amphotericin
noun
(biochemistry) Any of a group of amphoteric antibiotic and antifungal agents derived from Streptomyces bacteria.
anacreontics
anacreontics
noun
plural of anacreontic
anaerobiotic
anaerobiotic
adj
(anatomy) Resembling or relating to anaerobes.
anchoretical
anchoretical
adj
anchoretic
anchorpeople
anchorperson
anchorperson
noun
The primary reporter on a television news broadcast.
androcentric
androcentric
adj
Of, pertaining to, or exhibiting androcentrism; focused on males.
androgenetic
androgenetic
adj
Relating to, or exhibiting, androgenesis.
anemochorous
anemochorous
adj
(botany) Adapted for dispersal via wind.
anemographic
anemographic
adj
Produced by an anemograph; of or pertaining to anemography.
angiospermic
angiospermic
adj
Relating to angiosperms
anorexigenic
anorexigenic
adj
(medicine) creating or inducing a state of anorexia
noun
An anorexigenic agent.
anorthoclase
anorthoclase
noun
(mineralogy) Any of a group of feldspars being mixed sodium and potassium aluminosilicates.
anorthoscope
anorthoscope
noun
An optical device (often a toy) used to produce a form of anamorphosis or to view distorted figures
antarctogaea
antehistoric
antepectoral
antepectoral
adj
(anatomy) Of the feet of insects: fixed in the forepart of the prosternum or prothorax.
anteporticos
antepretonic
anthracnoses
anthracnoses
noun
plural of anthracnose
anthracocide
anthraconite
anthraconite
noun
(mineralogy) A coal-black marble, usually emitting a foetid smell when rubbed.
antichlorine
antichlorine
noun
Synonym of antichlor (“substance used to remove chlorine”)
antichoicers
antichoicers
noun
plural of antichoicer
anticonsumer
anticonsumer
adj
Opposing the consumer.
noun
A person of anticonsumerist beliefs.
anticourtier
anticourtier
adj
Opposing courtiers.
anticreation
antidemocrat
antidemocrat
noun
One who opposes democracy.
antielectron
antielectron
noun
(physics) Synonym of positron
antientropic
antientropic
adj
Countering entropy.
antilacrosse
antimetropic
antimetropic
adj
Relating to antimetropia
antiperiodic
antiperiodic
adj
(mathematics) Exhibiting antiperiodicity.
(medicine) preventing the regular recurrence of symptoms
noun
(medicine) A drug that prevents the regular recurrence of symptoms.
antireaction
aorticorenal
aorticorenal
adj
(anatomy) Relating to the aorta and the kidney.
aperiodicity
aperiodicity
noun
The condition of being aperiodic
aplanobacter
apogeotropic
apogeotropic
adj
(botany) Bending away from the ground; said of leaves, etc.
(medicine) Tending skyward, as with apogeotropic nystagmus.
apomecometer
apomecometer
noun
An instrument for measuring the heights of buildings etc.
apomecometry
apomecometry
noun
The art of measuring the distance of far-off objects.
apothecaries
apothecaries
noun
plural of apothecary
apperception
apperception
noun
(countable, psychology) The general process or a particular act of mental assimilation of new experience into the totality of one's past experience.
(uncountable) Psychological or mental perception; recognition.
(uncountable, psychology and philosophy, especially Kantianism) The mind's perception of itself as the subject or actor in its own states, unifying past and present experiences; self-consciousness, perception that reflects upon itself.
appreciation
appreciation
noun
A fair valuation or estimate of merit, worth, weight, etc.; recognition of excellence; gratitude and esteem.