Aconitum, a genus of plants in the family Ranunculaceae.
The poisonous herb aconite; also, an extract from it.
aconitums
aconitums
noun
plural of aconitum
acontium
acontium
noun
An Ancient Greek weapon similar to a javelin
One of a series of threads of a septum of some actinians
acosmist
acosmist
noun
A follower of acosmism
acosmistic
acosmistic
adj
Relating to acosmism or to acosmists
acoumeter
acoumeter
noun
(physics) An instrument for measuring the acuteness of the sense of hearing.
acoumetry
acoumetry
noun
The measuring of the power or extent of hearing.
acouometer
acousmata
acousmata
noun
plural of acousma
acousmatic
acousmatic
adj
(music) Referring to pre-recorded music that is presented in concert using loudspeakers, e.g. some types of computer music.
Referring to Pythagorean disciples who for years listened to his lectures from behind a curtain, unable to see him.
Referring to a sound that has no visually identifiable cause.
acquiescement
acquirement
acquirement
noun
(now rare, chiefly in the plural) Something that has been acquired; an attainment or accomplishment.
The act or fact of acquiring something; acquisition.
acquirements
acquirements
noun
plural of acquirement
acquisitum
acquitment
acquitment
noun
(law) Acquittal.
acritochromacy
acritochromacy
noun
(archaic, medicine) Color blindness, achromatopsia.
acroamata
acroamata
noun
plural of acroama
acroamatic
acroamatic
adj
(rare) Of or related to esoteric knowledge transmitted orally, particularly (historical) the teachings of Aristotle intended only for his disciples as opposed to the exoteric doctrines declaimed in public.
Of or related to lectures.
acroamatical
acroamatical
adj
Synonym of acroamatic
acroamatics
acroamatics
noun
esoteric lectures.
acrobatism
acrobatism
noun
(dated) The feats of an acrobat; daring gymnastic feats.
acrodactylum
acrodactylum
noun
The upper surface of a toe
acrodermatitis
acrodermatitis
noun
(pathology) dermatitis that affects the hands and feet
acrodontism
acromastitis
acrometer
acromiodeltoid
acromiosternal
acromiothoracic
acromiothoracic
adj
thoracoacromial
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
acromyotonus
acromyotonus
noun
Synonym of acromyotonia
acrostichum
acrosticism
acrosticism
noun
Acrostic arrangement or character.
acrostolium
acrotarsium
acrotarsium
noun
(zoology) The instep of the foot (front of the tarsus)
acroterium
acroterium
noun
(architecture) One of the small pedestals, for statues or other ornaments, placed on the apex and at the basal angles of a pediment, or upon the gables in Gothic architecture.
One of the pedestals, for vases or statues, forming a part roof balustrade.
acrotism
acrotism
noun
(medicine) A lack or defect of the pulse.
acrotisms
acrotomous
acrotomous
adj
(mineralogy) Having a cleavage parallel with the base.
actinenchyma
actiniform
actiniform
adj
Having a radiated form
actiniochrome
actiniochrome
noun
A red to violet pigment present in some Actinozoa
actiniohematin
actiniohematin
noun
A pigment (mixture of cytochromes) present in the sea anemone Actinia equina
actiniomorpha
actinism
actinism
noun
(chemistry, physics) That property of electromagnetic radiation that leads to the production of photochemical effects
actinisms
actinisms
noun
plural of actinism
actinium
actinium
noun
A radioactive, metallic chemical element (symbol: Ac) with an atomic number of 89; found in uranium ores.
actiniums
actiniums
noun
plural of actinium
actinochemical
actinochemical
adj
Relating to actinochemistry.
actinochemistry
actinochemistry
noun
The science of chemistry and actinism.
actinodermatitis
actinodermatitis
noun
actinic dermatitis
actinodrome
actinodrome
adj
Alternative form of actinodromous
actinodromous
actinodromous
adj
(botany) having palmate veins
actinogram
actinogram
noun
The record produced by an actinograph
actinomere
actinomere
noun
(zoology) One of the radial segments making up the body of one of the Coelenterata or similar organism
actinomeric
actinomeric
adj
Relating to actinomeres
actinometer
actinometer
noun
(physics) A device used to measure the heating power of electromagnetic radiation, especially that of solar radiation.
actinometers
actinometers
noun
plural of actinometer
actinometric
actinometric
adj
Measured using an actinometer
Of or pertaining to actinometry
actinometrical
actinometricy
actinometry
actinometry
noun
the measurement of the chemical or actinic energy of light
the measurement of the heating power of electromagnetic radiation, especially that of solar radiation
actinomorphic
actinomorphic
adj
(botany, of a flower) Having its petals arranged in a radially symmetric fashion.
actinomorphous
actinomorphous
adj
(botany, of a flower) Having petals arranged in a radially symmetric pattern.
actinomorphy
actinomorphy
noun
The condition of being actinomorphic.
actinomyces
actinomyces
noun
A bacterium (species) of the genus Actinomyces.
actinomycese
actinomycesous
actinomycestal
actinomycetaceae
actinomycetal
actinomycetal
adj
Of or relating to the Actinomycetales, an order of Actinobacteria.
actinomycetales
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.
actinomycetous
actinomycetous
adj
Of or relating to actinomycetes.
actinomycin
actinomycin
noun
(biochemistry, pharmacology) Any of a class of toxic polypeptide antibiotics found in soil bacteria of genus Streptomyces.
actinomycins
actinomycins
noun
plural of actinomycin
actinomycoma
actinomycoma
noun
The granulomatous lesion characteristic of actinomycosis
actinomycosis
actinomycosis
noun
(pathology) An infectious bacterial disease of cattle and swine, sometimes transmitted to man, characterized by the formation of painful abscesses in the mouth, lungs, or gastrointestinal tract, caused by Actinomyces israelii, Actinomyces gerencseriae, and Propionibacterium propionicum.
actinomycosistic
actinomycotic
actinomycotic
adj
Of or pertaining to actinomycosis.
actinomyxidia
actinomyxidiida
actinonema
actinosoma
actinosome
actinosome
noun
(zoology) The entire body of a coelenterate.
actinosphaerium
actinostomal
actinostome
actinostome
noun
(zoology) The mouth or anterior opening of a coelenterate animal.
actinotoxemia
actinotrichium
actinotrichium
noun
(zoology) Any of a group of hairlike fibres in the finfolds of fish larvae that develop into fin rays
actinouranium
actinouranium
noun
Alternative spelling of actino-uranium
actium
actium
Proper noun
a promontory of Acarnania in Ancient Greece where and Cleopatra were defeated by Octavian in a naval battle in 31 BC
activism
activism
noun
The practice of using action to achieve a result, such as political demonstration or a strike in support of or in opposition to an issue.
activisms
activisms
noun
plural of activism
actomyosin
actomyosin
noun
(biochemistry) A protein complex composed of actin and myosin, found in muscle fibres.
actomyosins
actomyosins
noun
plural of actomyosin
actualism
actualism
noun
(philosophy) The belief that actuality and existence are co‐extensive: i.e., that only actual things exist, and merely possible things do not.
acuminate
acuminate
adj
(botany, mycology) Tapering to a long point in concave manner at its apex.
Tapering to a point; pointed.
verb
(intransitive) To end in or come to a sharp point.
(transitive) To render sharp or keen; to sharpen.
acuminated
acuminated
verb
simple past tense and past participle of acuminate
acuminating
acuminating
verb
present participle of acuminate
acumination
acumination
noun
A sharpening; termination in a sharp point; a tapering point.
acuminulate
acuminulate
adj
(rare) Somewhat or slightly acuminate.
acustom
acutenaculum
acyloxymethane
adactylism
adactylism
noun
(biology, medicine) Synonym of adactyly.
adamant
adamant
adj
(of an object) Very difficult to break, pierce, or cut.
(said of people and their conviction) Firm; unshakeable; unyielding; determined.
noun
(obsolete) A lodestone.
An embodiment of impregnable hardness.
An imaginary rock or mineral of impenetrable hardness; a name given to the diamond and other substances of extreme hardness.
adamantean
adamantean
adj
Of adamant; hard as adamant.
adamantine
adamantine
adj
Like the diamond in hardness or luster.
Made of adamant, or having the qualities of adamant; incapable of being broken, dissolved, or penetrated.
adamantinoma
adamantinoma
noun
(medicine) A rare bone cancer usually occurring in the bones of the lower leg and involving both epithelial and osteofibrous tissue.
(medicine, obsolete) A benign tumor of the jaw occurring occasionally in young people. These tumors originate in the enamel organ, developing from the remains of its epithelium, and may reach the size of an apple.
adamantlies
adamantly
adamantly
adv
In an immovable or inflexible manner.
adamantness
adamantoblast
adamantoblast
noun
(obsolete) ameloblast
adamantoblastoma
adamantoid
adamantoid
noun
A crystal characterized by being bound by 48 equal triangles; a hexoctahedron.
adamantoma
adamantoma
noun
Alternative spelling of adamantinoma
adamants
adamants
noun
plural of adamant
adamastor
adamastor
noun
A hideous phantom
adamellite
adamellite
noun
(mineralogy) monzonite
adamite
adamite
noun
(mineralogy) A zinc arsenate hydroxide mineral, Zn₂AsO₄OH.
A descendant of Adam; a human being.
adamitic
adamitical
adamitism
adamitism
noun
Rare form of Adamitism.
adamsite
adamsite
noun
An organic compound, diphenylaminechlorarsine, used as a riot-control agent.
adamsites
adamstown
adamstown
Proper noun
The capital and only settlement of the
A village in Ireland
A in Maryland.
A borough in Pennsylvania.
adaptionism
adaptionism
noun
Alternative form of adaptationism
adaptometer
adaptometer
noun
An optometric instrument that measures the minimum threshold of brightness that can be detected or how well the human eye can adapt to a recently darkened environment.
adarbitrium
adatom
adatom
noun
(materials science) An atom that lies on a crystal surface
addiment
addiment
noun
(immunology, archaic) Synonym of complement
additament
additament
noun
(archaic) An addition; something added.
additamentary
additiment
additum
addlement
addlement
noun
confusion; an addled state
adelarthrosomata
adelarthrosomatous
ademonist
adempt
adempt
verb
(transitive, obsolete) To take away.
adempted
adempted
verb
simple past tense and past participle of adempt
ademption
ademption
noun
(law) In the law of wills, the determination of what happens when property left under a will is no longer in the testator's estate when the testator dies.
adenectomies
adenectomies
noun
plural of adenectomy
adenectomy
adenectomy
noun
(medicine) The removal of all or part of the adenoid glands by surgery.
adenemphractic
adenoacanthoma
adenoacanthoma
noun
(pathology) An adenocarcinoma characterised by the presence of squamous cells
adenocarcinomata
adenocarcinomatous
adenocarcinomatous
adj
Of or pertaining to adenocarcinomas
adenocystoma
adenocystoma
noun
(pathology) An adenoma in which the neoplastic glandular epithelium forms cysts
adenocystomatous
adenoidectomies
adenoidectomies
noun
plural of adenoidectomy
adenoidectomy
adenoidectomy
noun
(surgery) Surgical removal of the adenoids, or of adenoid growths in the nasopharynx; commonly performed along with tonsillectomy.