(As seen or measured) from the end opposite the mouth in a radiate animal (to the other end).
abdominocystic
abdominocystic
adj
(anatomy) Relating to the abdomen and to the bladder.
abdominohysterectomy
abdominohysterectomy
noun
(surgery) Removal of the uterus via an incision made in the abdominal wall rather than via the vagina.
abiogenetically
abiogenetically
adv
(biology) In an abiogenetic manner; to have created life without life.
abstinency
abstinency
noun
(rare) Alternative form of abstinence
abyssobenthonic
acanthology
acanthology
noun
The study of spined things, in particular sea urchins, and the resultant impact on taxonomy.
acantholysis
acantholysis
noun
(medicine) The loss of intercellular connections, resulting in loss of cohesion between keratinocytes, seen in diseases such as pemphigus vulgaris.
acanthopterygian
acanthopterygian
adj
(zoology) Similar to an acanthopterygian.
noun
(zoology) Any fish of the superorder Acanthopterygii.
acanthopterygii
acceleratingly
acceleratingly
adv
In an accelerating manner.
accendibility
accendibility
noun
Capacity for being kindled; inflammability.
accentuality
accentuality
noun
The quality of being accentual.
accentually
accentually
adv
In an accentual manner; in accordance with accent.
acceptancy
acceptancy
noun
(dated) acceptance
acceptingly
acceptingly
adv
In a accepting manner; tolerantly.
accidentality
accidentality
noun
The quality of being accidental; accidentalness.
accidentally
accidentally
adv
In an accidental manner; by chance, unexpectedly.
Unintentionally.
accidentarily
accidentary
accidentary
adj
(obsolete) accidental; occurring by chance; occasional
(obsolete) logically accidental; non-essential
accidentiality
accidently
accidently
adv
(now nonstandard) Accidentally; by chance, unintentionally.
accommodatingly
accommodatingly
adv
In an accommodating manner.
accompanyist
accompanyist
noun
Alternative spelling of accompanist
accordantly
accordantly
adv
In accordance or agreement; agreeably; conformably.
accountability
accountability
noun
(military) The obligation imposed by law or regulation on an officer or other person for keeping accurate record of property, documents, or funds. The person having this obligation may or may not have actual possession of the property, documents, or funds. Accountability is concerned primarily with records, while responsibility is concerned primarily with custody, care, and safekeeping.
An open determination of one's responsibility for something and imposition of consequences.
Good-faith acceptance of one's responsibility for something and of its consequences.
The state of being accountable; liability to be called on to render an account or give an explanation; liability to be held responsible or answerable for something.
accountably
accountably
adv
In an accountable manner.
accountancy
accountancy
noun
(countable, accounting) A company or organisation that performs such a function.
(uncountable, Britain, New Zealand, often Philippines, accounting) The function of compiling and providing financial information primarily by reports referred to as financial statements, including bookkeeping, systems design, analysis and interpretation of accounting information.
accretionary
accretionary
adj
Of, pertaining to, or in the form of an accretion
acenaphthenyl
acenaphthenyl
noun
(organic chemistry) A univalent radical derived from acenaphthene
acenaphthylene
acenaphthylene
noun
(organic chemistry) A polycyclic aromatic hydrocarbon containing an unsaturated five-membered ring ortho- and peri-fused to the 1- and 9- positions of naphthalene.
acetenyl
acetenyl
noun
(organic chemistry) ethynyl
acetifying
acetifying
verb
present participle of acetify
acetmethylanilide
acetonyl
acetonyl
noun
(organic chemistry) The univalent radical CH₃-CO-CH₂- formally derived from acetone
acetonylacetone
acetonylacetone
noun
(organic chemistry) The aliphatic diketone 2,5-hexanedione
acetonylidene
acetonylidene
noun
(organic chemistry) The divalent radical CH₃-CO-CH= formally derived from acetone
acetopyrin
acetopyrine
acetopyrine
noun
(medicine) An acetylsalicylate of antipyrine
acetylacetonates
acetylacetonates
noun
plural of acetylacetonate
acetylacetone
acetylacetone
noun
(organic chemistry) The diketone CH₃COCH₂COCH₃ used as a solvent and as a coordination ligand
acetylamine
acetylaminobenzene
acetylaniline
acetylating
acetylating
verb
present participle of acetylate
acetylation
acetylation
noun
(organic chemistry) The reaction of a substance with acetic acid or one of its derivatives; the introduction of one or more acetyl groups into a substance.
acetylations
acetylations
noun
plural of acetylation
acetylbenzene
acetylbenzene
noun
acetophenone
acetylbenzoate
acetylbenzoic
acetylcholine
acetylcholine
noun
(biochemistry) A neurotransmitter in humans and other animals. It is an ester of acetic acid and choline with chemical formula CH₃COOCH₂CH₂N⁺(CH₃)₃.
acetylcholinesterase
acetylcholinesterase
noun
(biochemistry) An enzyme that catalyzes the hydrolysis of the neurotransmitter acetylcholine into choline and acetic acid.
acetylcholinic
acetylcholinic
adj
(biochemistry) Of or relating to acetylcholine.
acetylcyanide
acetylenation
acetylenation
noun
(organic chemistry) Conversion into, or reaction with an acetylene
acetylene
acetylene
noun
(organic chemistry, countable) Any organic compound having one or more carbon–carbon triple bonds; an alkyne.
(organic chemistry, uncountable) Ethyne; the simplest alkyne, a hydrocarbon of formula HC≡CH. It is a colourless, odorless, extremely flammable, explosive gas, formerly used as an illuminating gas, but now used in welding and metallurgy.
A lamp powered by acetylene, particularly a motor vehicle headlight.
acetylenediurein
acetylenes
acetylenes
noun
plural of acetylene
acetylenic
acetylenic
adj
(organic chemistry) Of or pertaining to acetylene or its derivatives; having a carbon-to-carbon triple bond
acetylenogen
acetylenyl
acetylenyl
noun
(organic chemistry) Any radical derived from an acetylene, but especially ethynyl
acetylglycin
acetylglycine
acetylglycine
noun
(organic chemistry) The N-acetyl derivative of glycine
acetylhydrazine
acetylhydrazine
noun
(organic chemistry) The acylhydrazine of acetic acid CH₃CO-NH-NH₂
acetylization
acetylization
noun
Synonym of acetylation
acetylizing
acetylizing
verb
present participle of acetylize
acetylmethylcarbinol
acetylmethylcarbinol
noun
(organic chemistry) acetoin
acetylphenol
acetylphenylhydrazine
acetylrosaniline
acetyltannin
acetyltannin
noun
(organic chemistry) Synonym of acetyltannic acid
acetyltropeine
achyranthes
achyranthes
noun
plural of achyranthe
acinacity
acolyctine
acolyctine
noun
(organic chemistry) An organic base, in the form of a white powder, obtained from Aconitum lycoctonum.
acotyledon
acotyledon
noun
(botany) A plant that has no cotyledons, as the dodder and all flowerless plants.
acotyledonous
acotyledonous
adj
Having no seed lobes, as the dodder; also applied to plants which have no true seeds, as ferns, mosses, etc.
acquaintancy
acquaintancy
noun
acquaintanceship
acquiescently
acquiescently
adv
In an acquiescent manner.
acromyotonia
acromyotonia
noun
(pathology) myotonia of the limbs
acromyotonus
acromyotonus
noun
Synonym of acromyotonia
acronycta
acronyctous
acronyctous
adj
(astronomy) acronycal
acrylonitrile
acrylonitrile
noun
(organic chemistry) A toxic colourless liquid organic compound, CH₂=CH.CN, synthesized from propylene and ammonia; used as a monomer in the production of acrylic resins and synthetic rubber.
actinally
actinally
adv
In an actinal manner.
actinautography
actinautography
noun
(obsolete, photography) The production of an actinautographic image
actinenchyma
actinically
actinically
adv
In an actinic manner.
actinochemistry
actinochemistry
noun
The science of chemistry and actinism.
actinoelectrically
actinoelectricity
actinoelectricity
noun
photoconductivity
actinography
actinography
noun
measurement with an actinograph
actinology
actinology
noun
(sciences) The study of the effect of light on chemicals.
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
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
actinophryan
actinophrys
actinopterygian
actinopterygian
adj
Of the nature of fish of the class Actinopterygii.
noun
(zoology) Any of the ray-finned fish of the taxonomic class Actinopterygii.
actinopterygii
actinopterygious
actinoscopy
actinoscopy
noun
(medicine, archaic) Radiology; examination by means of an X-ray machine.
actinostereoscopy
actinotherapy
actinotherapy
noun
(medicine) The treatment of disease, especially skin disease, by exposure to ultraviolet light; radiotherapy.
actionability
actionability
noun
The characteristic of being actionable.
actionably
actionably
adv
In an actionable manner.
actionary
actionary
noun
(business, obsolete) A shareholder in a joint-stock company.
actomyosin
actomyosin
noun
(biochemistry) A protein complex composed of actin and myosin, found in muscle fibres.
actomyosins
actomyosins
noun
plural of actomyosin
acylating
acylating
verb
present participle of acylate
acylation
acylation
noun
(organic chemistry) The process of adding an acyl group to a compound.
acyloxymethane
adenectomy
adenectomy
noun
(medicine) The removal of all or part of the adenoid glands by surgery.
adenocyst
adenocystoma
adenocystoma
noun
(pathology) An adenoma in which the neoplastic glandular epithelium forms cysts
adenocystomatous
adenoidectomy
adenoidectomy
noun
(surgery) Surgical removal of the adenoids, or of adenoid growths in the nasopharynx; commonly performed along with tonsillectomy.
adiathermancy
adiathermancy
noun
(obsolete) A resistance to the flow of heat.
adjacently
adjacently
adv
In such a way as to be adjacent.
adjunctively
adjunctively
adv
In an adjunctive way.
adjunctly
adjunctly
adv
In an adjunct manner.
adjutancy
adjutancy
noun
The state or office of being an adjutant, assistant, or helper.
adolescently
adolescently
adv
In a adolescent manner; like a teenager.
adrenalectomy
adrenalectomy
noun
(surgery) The removal of one or both adrenal glands, usually advised for patients with tumours in those glands.
adrenolytic
adrenolytic
adj
(biochemistry) That inhibits the production or function of adrenaline
aduncity
aduncity
noun
Crookedness, curvaceousness, hookedness.
advertency
advertency
noun
The quality of being advertent.
aerodynamicist
aerodynamicist
noun
A person who studies aerodynamics.
aeronautically
aeronautically
adv
In a aeronautical manner; with respect to aeronautics or aviation.
aerothermodynamic
aerothermodynamic
adj
Of or pertaining to aerothermodynamics
aerothermodynamics
aerothermodynamics
noun
(physics) The scientific study of the thermodynamic properties of gases, especially when travelling at a high velocity.
aeschynanthus
aeschynite
aeschynite
noun
(mineralogy) Any of several basic oxide minerals of mostly titanium and niobium with either cerium, neodymium or yttrium.