One of a series of threads of a septum of some actinians
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
acquitment
acquitment
noun
(law) Acquittal.
acreman
acreman
noun
A leader of a plowing team in medieval England.
acremen
acremen
noun
plural of acreman
acridinium
acridinium
noun
(organic chemistry, especially in combination) Any cation produced by protonation of an acridine.
acridonium
acridonium
noun
Alternative form of acridinium
acrimonies
acrimonies
noun
plural of acrimony
acrimonious
acrimonious
adj
(archaic) Harsh and sharp, or bitter and not pleasant to the taste; acrid, pungent.
(figuratively) Angry, acid, and sharp in delivering argumentative replies: bitter, mean-spirited, sharp in language or tone.
acrimoniously
acrimoniously
adv
In an acrimonious manner; with acrimony.
acrimoniousness
acrimoniousness
noun
The quality of being acrimonious.
acrimony
acrimony
noun
A sharp and bitter hatred.
acrnema
acroclinium
acroclinium
noun
Any Australian plant of the former genus Acroclinium (now named Rhodanthe)
acroconidium
acrodontism
acromania
acromania
noun
(obsolete) mental illness (especially when accompanied by hyperactivity)
acromion
acromion
noun
(anatomy) The outermost point of the shoulder blade.
acromiosternal
acromonogrammatic
acromonogrammatic
adj
(poetry) Having each verse begin with the same letter as that with which the preceding verse ends.
acromyodian
acromyodian
noun
Any passerine songbird of the former taxon Acromyodi
acromyotonia
acromyotonia
noun
(pathology) myotonia of the limbs
acromyotonus
acromyotonus
noun
Synonym of acromyotonia
acronomy
acronym
acronym
noun
(linguistics) An abbreviation formed by the beginning letters or syllables of other words (as "Benelux").
(linguistics) An abbreviation formed by the initial letters of other words, sometimes exclusively such abbreviations when pronounced as a word (as "laser") rather than as individual letters (initialisms such as "TNT").
verb
To form into an acronym.
acronymic
acronymic
Adjective
Pertaining to the use of acronyms.
acronymically
acronymically
adv
In an acronymic way; in such a way as to form an acronym.
acronymize
acronymize
verb
(transitive) To turn a phrase into an acronym.
acronymized
acronymized
verb
simple past tense and past participle of acronymize
acronymizing
acronymizing
verb
present participle of acronymize
acronymous
acronymous
adj
Pertaining to the use of acronyms.
acronyms
acronyms
noun
plural of acronym
verb
Third-person singular simple present indicative form of acronym
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
actomyosin
actomyosin
noun
(biochemistry) A protein complex composed of actin and myosin, found in muscle fibres.
actomyosins
actomyosins
noun
plural of actomyosin
acumen
acumen
noun
(anatomy) A bony, often sharp, protuberance, especially that of the ischium.
(botany) A sharp, tapering point extending from a plant.
Quickness of perception or discernment; penetration of mind; the faculty of nice discrimination.
acumens
acumens
noun
plural of acumen
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.
acuminose
acuminose
adj
Terminating in a flat, narrow end.
acuminous
acuminous
adj
Characterized by acumen; keen.
acuminulate
acuminulate
adj
(rare) Somewhat or slightly acuminate.
acutenaculum
acylamidobenzene
acylamino
acylamino
noun
(organic chemistry, especially in combination) Any acyl derivative of an amino group
acyloxymethane
adamance
adamance
noun
The quality of being adamant
adamances
adamancies
adamancies
noun
plural of adamancy
adamancy
adamancy
noun
The property of being adamant.
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
adenocarcinoma
adenocarcinoma
noun
(oncology) Any of several forms of carcinoma that originate in glandular tissue.
adenocarcinomas
adenocarcinomas
noun
plural of adenocarcinoma
adenocarcinomata
adenocarcinomatous
adenocarcinomatous
adj
Of or pertaining to adenocarcinomas
adenochondroma
adenochondroma
noun
(pathology) A hamartoma consisting of glandular and cartilaginous tissue
adenochondrosarcoma
adenochrome
adenochrome
noun
A red pigment present in the branchial heart tissue of the octopus
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.
adenolymphocele
adenolymphocele
noun
(pathology) cystic dilation of lymph nodes caused by an obstruction
adenomalacia
adenomycosis
adenomyxosarcoma
adenosarcoma
adenosarcoma
noun
An uncommon form of cancer that arises from mesenchymal tissue and has a benign glandular component.
adenosarcomas
adenosarcomata
adenosarcomata
noun
plural of adenosarcoma
adenotomic
adenotomic
adj
Pertaining to adenotomy (the dissection of or incision into a gland).
(Scotland, law, transitive) To prove; to corroborate.
adminiculation
adminiculation
noun
(law) proof; corroboration
adminiculum
adminiculum
noun
(medicine) That which gives support to a part.
(medicine) The expansion of fibers extending from the superior pubic ligament to the posterior surface of the linea alba.
administratrices
administratrices
noun
plural of administratrix
admirance
admirance
noun
(obsolete) admiration
admittance
admittance
noun
(Britain, law) The act of giving possession of a copyhold estate.
(physics) The reciprocal of impedance
Actual entrance, reception.
Permission to enter, the power or right of entrance.
The act of admitting.
admittances
admittances
noun
plural of admittance
adrenalectomies
adrenalectomies
noun
plural of adrenalectomy
adrenalectomize
adrenalectomize
verb
(transitive) To subject to an adrenalectomy.
adrenalectomized
adrenalectomized
adj
Having been adrenalectomized (subjected to adrenalectomy).
verb
simple past tense and past participle of adrenalectomize
adrenalectomizing
adrenalectomizing
verb
present participle of adrenalectomize
adrenalectomy
adrenalectomy
noun
(surgery) The removal of one or both adrenal glands, usually advised for patients with tumours in those glands.
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.
adriamycin
adriamycin
noun
An anthracycline antibiotic drug used in cancer chemotherapy.
advancement
advancement
noun
(law) Property given, usually by a parent to a child, in advance of a future distribution.
An advance of money or value; payment in advance.
How advanced something is
The act of advancing; promotion to a higher place or dignity
The state of being advanced
advancements
advancements
noun
plural of advancement
adynamic
adynamic
adj
(physics) Characterised by the absence of force.
Not dynamic; without strength or vigor.
aeolharmonica
aeolharmonica
noun
(music, obsolete) A form of harmonium.
aeolomelodicon
aeolomelodicon
noun
(music, historical) An obsolete musical instrument derived from the aeolodicon but having brass tubes affixed to the reeds, making it more like an organ.
aerenchyma
aerenchyma
noun
(botany) A spongy, airy tissue found especially in the roots of aquatic plants
aerenchymas
aerodynamic
aerodynamic
adj
having a shape that reduces drag when moving through the air