(botany): Of, pertaining to, or resembling, a member of the Acanthaceae family.
Armed with prickles, as a plant.
acanthodidae
acanthopteri
acanthopteri
noun
(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
accentuation
accentuation
noun
(ecclesiastical, music) Pitch or modulation of the voice in reciting portions of the liturgy.
Act of accentuating; applications of accent.
acceptations
acceptations
noun
plural of acceptation
accessioning
accessioning
verb
present participle of accession
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
accommodable
accommodable
adj
That may be accommodated; suitable.
accommodated
accommodated
verb
simple past tense and past participle of accommodate
accommodates
accommodates
verb
Third-person singular simple present indicative form of accommodate
accompanable
accompanable
adj
(obsolete) sociable
accomplement
accompletive
accompletive
adj
(rare) Tending to accomplish.
accomplished
accomplished
adj
Completed; effected; established.
Having many accomplishments, often as a result of study or training.
Showing skill and artistry.
verb
simple past tense and past participle of accomplish
accomplisher
accomplisher
noun
One who accomplishes.
accomplishes
accomplishes
verb
Third-person singular simple present indicative form of accomplish
accouchement
accouchement
noun
Delivery in childbed; parturition
accoucheuses
accoucheuses
noun
plural of accoucheuse
accouplement
accouplement
noun
(rare) That which couples, as a tie or brace
(rare) The act of coupling, or the state of being coupled; union
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.
accustomedly
accustomedly
adv
In an accustomed manner.
accustomized
accustomized
verb
simple past tense and past participle of accustomize
acephalocyst
acephalocyst
noun
(zoology) A larval entozoön in the form of a subglobular or oval vesicle, or hydatid, filled with fluid, sometimes found in the tissues of man and the lower animals; -- so called from the absence of a head or visible organs on the vesicle. These cysts are the immature stages of certain tapeworms. Also applied to similar cysts of different origin.
acerbophobia
acetoacetate
acetoacetate
noun
(organic chemistry) Any salt or ester of acetoacetic acid
acetobenzoic
acetochloral
acetomorphin
acetonitrile
acetonitrile
noun
(organic chemistry) The simplest organic cyanide or nitrile, CH₃CN, formally derived from acetic acid
acetophenine
acetophenone
acetophenone
noun
(organic chemistry) The aromatic ketone phenyl methyl ketone, used in the manufacture of very many organic compounds
acetosoluble
acetosoluble
adj
(chemistry) soluble in acetic acid
acetostearin
acetotoluide
acetotoluide
noun
(organic chemistry) The N-acetyl derivative of a toluidine
acetylations
acetylations
noun
plural of acetylation
acetylenogen
acetyliodide
acetylphenol
acetylthymol
achariaceous
acherontical
achlamydeous
achlamydeous
adj
(botany) having no perianth
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
acknowledged
acknowledged
adj
Generally accepted, recognized or admitted.
verb
simple past tense and past participle of acknowledg
simple past tense and past participle of acknowledge
acknowledger
acknowledger
noun
One who acknowledges.
acknowledges
acknowledges
verb
Third-person singular simple present indicative form of acknowledge
acocantherin
acocantherin
noun
Alternative form of acokantherin
acoelomatous
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
actinomycese
actinomycete
actinomycete
noun
Any of various filamentous or rod-shaped bacteria, of the order Actinomycetales, that resemble fungi. Some actinomycetes are pathogens and some are sources of antibiotics.
actinopteran
acutifoliate
acutifoliate
adj
(botany) Having sharp-pointed leaves.
adelocodonic
adelocodonic
adj
(zoology) Applied to sexual zooids of hydroids, that have a saclike form and do not become free; opposed to phanerocodonic.
adelomorphic
adenectomies
adenectomies
noun
plural of adenectomy
adenocystoma
adenocystoma
noun
(pathology) An adenoma in which the neoplastic glandular epithelium forms cysts
adenographic
adenographic
adj
Pertaining to adenography.
adenological
adenological
adj
Pertaining to adenology.
adenomalacia
adenomycosis
adenosarcoma
adenosarcoma
noun
An uncommon form of cancer that arises from mesenchymal tissue and has a benign glandular component.
adiaphoretic
adjectitious
adjectitious
adj
(formal) Added; additional.
adolescences
adolescences
noun
plural of adolescence
adolescently
adolescently
adv
In a adolescent manner; like a teenager.
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
advectitious
advectitious
adj
Relating to, or transported by, advection.
advocateship
advocateship
noun
(now rare) The office or function of an advocate; advocacy.
aechmophorus
aecidiospore
aecidiostage
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)
aeschynomene
aesculaceous
aethrioscope
aethrioscope
noun
(meteorology) A device for measuring temperature variations due to different atmospheric conditions, such as cloud or clear skies.