(zoology) A group of teleostean fishes having spiny fins. See Acanthopterygii.
acanthopterous
acanthopterous
adj
(zoology) Acanthopterygious
(zoology) Spiny-winged.
acanthopterygian
acanthopterygian
adj
(zoology) Similar to an acanthopterygian.
noun
(zoology) Any fish of the superorder Acanthopterygii.
acanthopterygii
acanthoses
acanthoses
noun
plural of acanthosis
accelerando
accelerando
adv
(music) With a gradual increase in speed.
noun
(by extension) Accelerating or exponential advancement or development (of a thing).
(music) A tempo mark directing that a passage is to be played at an increasing speed.
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.
accelerations
accelerations
noun
plural of acceleration
accension
accension
noun
(obsolete) The act of kindling or the state of being kindled; ignition.
accensor
accensor
noun
(Roman Catholicism) One of the functionaries who light and trim the tapers.
accentor
accentor
noun
(music, obsolete) One who sings the leading part; the director or leader.
(obsolete) The ovenbird, Seiurus aurocapilla.
Any bird of the Eurasian genus Prunella, such as the dunnock.
accentors
accentors
noun
plural of accentor
accentuation
accentuation
noun
(ecclesiastical, music) Pitch or modulation of the voice in reciting portions of the liturgy.
Act of accentuating; applications of accent.
accentuations
accentuations
noun
plural of accentuation
accentuator
accentuator
noun
An agent that accentuates.
acceptation
acceptation
noun
(obsolete) Acceptance; reception; favorable reception or regard; the state of being acceptable.
Ready belief.
The meaning (sense) in which a word or expression is understood, or generally received.
acceptations
acceptations
noun
plural of acceptation
acceptilation
acceptilation
noun
(civil law) Gratuitous discharge; a release from debt or obligation without payment; free remission.
(theology) The doctrine, laid down by Duns Scotus and maintained by the Arminians, that the satisfaction rendered by Christ was not in itself really a true or full equivalent, but was merely accepted by God, through his gracious goodwill, as sufficient.
acception
acception
noun
(obsolete) Acceptation; received meaning.
accersition
accession
accession
noun
(Scotland) Complicity, concurrence or assent in some action.
(law) A mode of acquiring property, by which the owner of a corporeal substance which receives an addition by growth, or by labor, has a right to the part or thing added, or the improvement (provided the thing is not changed into a different species).
(law) The act by which one power becomes party to engagements already in force between other powers.
(medicine) The invasion, approach, or commencement of a disease; a fit or paroxysm.
A coming to; the act of acceding and becoming joined.
A group of plants of the same species collected at a single location, often held in genebanks.
Access; admittance.
Agreement.
Increase by something added; that which is added; augmentation from without.
The act of coming to or reaching a throne, an office, or dignity.
verb
(transitive) To make a record of (additions to a collection).
accessional
accessional
adj
(rare) Pertaining to accession; additional.
accessioned
accessioned
verb
simple past tense and past participle of accession
accessioner
accessioner
noun
One who accessions.
accessioning
accessioning
verb
present participle of accession
accessions
accessions
noun
A collection of laboratory tests performed on a single sample.
plural of accession
verb
Third-person singular simple present indicative form of accession
accessoriness
accessoriness
noun
The state of being accessory, or connected subordinately.
accessorizing
accessorizing
verb
present participle of accessorize
accolent
accolent
adj
Occurring or living next to; neighboring; adjacent.
noun
One who lives nearby; neighbor.
accommodableness
accommodableness
noun
(rare) The quality or condition of being accommodable
accommodateness
accommodateness
noun
(rare) Fitness.
accommodatingness
accommodativeness
accommodativeness
noun
The state or quality of being accommodative.
accompanable
accompanable
adj
(obsolete) sociable
accompanied
accompanied
adj
Having accompaniment; being part of a group of at least two.
verb
simple past tense and past participle of accompany
accompanier
accompanier
noun
Someone or something that accompanies.
accompanies
accompanies
verb
Third-person singular simple present indicative form of accompany
accompaniment
accompaniment
noun
(music) A part, usually performed by instruments, that gives support or adds to the background in music, or adds for ornamentation; also, the harmony of a figured bass.
That which accompanies; something that attends as a circumstance, or which is added to give greater completeness to the principal thing, or by way of ornament, or for the sake of symmetry.
accompanimental
accompanimental
adj
Relating to or serving as an accompaniment
accompaniments
accompaniments
noun
plural of accompaniment
accomplement
accomplishment
accomplishment
noun
(grammar, semantics) The lexical aspect (aktionsart) of verbs or predicates that change over time until a natural end point.
Something accomplished; an achievement.
That which completes, perfects, or equips thoroughly; acquirement; attainment; that which constitutes excellence of mind, or elegance of manners, acquired by education or training.
The act of accomplishing; completion; fulfilment.
accomplishments
accomplishments
noun
plural of accomplishment
accordance
accordance
noun
Agreement; harmony; conformity; compliance.
The act of granting something.
accordances
accordances
noun
plural of accordance
accouchement
accouchement
noun
Delivery in childbed; parturition
accouchements
accouchements
noun
plural of accouchement
accounsel
accountabilities
accountabilities
noun
plural of accountability
accountable
accountable
adj
(rare) Capable of being accounted for; explicable; explainable.
Liable to be called on to render an account.
Obliged to keep accurate records (of property or funds).
Obliged, when called upon, to answer (for one’s deeds); answerable.
accountableness
accountableness
noun
The quality or state of being accountable; accountability.
accountancies
accountancies
noun
plural of accountancy
accounted
accounted
verb
simple past tense and past participle of account
accounter
accounter
noun
A person providing an account of events.
A person providing an accounting of expenditure or other actions.
accounters
accounters
noun
plural of accounter
accountment
accountment
noun
Responsibility.
accountrement
accouplement
accouplement
noun
(rare) That which couples, as a tie or brace
(rare) The act of coupling, or the state of being coupled; union
accoutering
accoutering
verb
present participle of accouter
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.
accouterments
accouterments
noun
plural of accouterment
accoutrement
accoutrement
noun
(Commonwealth) Alternative form of accouterment
accoutrements
accoutrements
noun
plural of accoutrement
accreditation
accreditation
noun
(education) The granting of approval to an institution of higher learning by an official review board after the school has met certain requirements.
The act of accrediting.
The giving of credentials.
accreditations
accreditations
noun
plural of accreditation
accrementition
accrementition
noun
(physiology) The process of generation by development of blastema, or fission of cells, in which the new formation is in all respect like the individual from which it proceeds.
accrescendo
accretion
accretion
noun
(astrophysics) The formation of planets and other bodies by collection of material through gravity.
(biology) A growing together of parts naturally separate, as of the fingers or toes.
(geology) The gradual increase of land by deposition of water-borne sediment.
(law) Gain to an heir or legatee; failure of a coheir to the same succession, or a co-legatee of the same thing, to take his share percentage.
(law) The adhering of property to something else, by which the owner of one thing becomes possessed of a right to another; generally, gain of land by the washing up of sand or sail from the sea or a river, or by a gradual recession of the water from the usual watermark.
Concretion; coherence of separate particles.
Something added externally to promote the external growth of an item.
The act of increasing by natural growth; especially the increase of organic bodies by the internal accession of parts; organic growth.
The act of increasing, or the matter added, by an accession of parts externally; an extraneous addition.
accretionary
accretionary
adj
Of, pertaining to, or in the form of an accretion
accretions
accretions
noun
plural of accretion
accroachment
accroachment
noun
(obsolete) An encroachment; usurpation.
accustomedness
accustomedness
noun
Habituation; the quality of being used to something.
aceanthrenequinone
aceconitic
acensuador
acentrous
acentrous
adj
(ichthyology) lacking vertebral centra
acervation
acervation
noun
(obsolete, rare) A heaping up; accumulation
acesodyne
acesodynous
acetalization
acetalization
noun
(organic chemistry) Any reaction that yields an acetal.
acetaminol
acetaminophen
acetaminophen
noun
(Canada, US) A white crystalline compound used in medicine as an anodyne to relieve pain and reduce fever.
acetanion
acetarsone
acetarsone
noun
Synonym of acetarsol
acetation
acetation
noun
(obsolete, organic chemistry) Synonym of acetification
acetification
acetification
noun
The act of making acetous or sour; the process of converting, or of becoming converted, into vinegar.
acetoacetanilide
acetoacetanilide
noun
(organic chemistry) acetoacetamide derivative of aniline.
acetoamidophenol
acetoarsenite
acetoarsenite
noun
(chemistry) Any mixed salt containing both acetate and arsenite anions
acetobenzoic
acetobromanilide
acetocinnamene
acetoin
acetoin
noun
(organic chemistry) The compound 3-hydroxybutanone CH₃-CO-CH(OH)-CH₃ that is one of the constituents of the flavour of butter
acetomorphin
acetomorphine
acetomorphine
noun
heroin
acetonaemia
acetonaemia
noun
Alternative form of acetonemia
acetonaemic
acetonaemic
adj
Alternative form of acetonemic
acetonaphthone
acetonaphthone
noun
(organic chemistry) Either of two isomers of methyl naphthyl ketone
acetonate
acetonate
noun
(organic chemistry) An enolate of acetone
verb
To treat or react with acetone
acetonation
acetonation
noun
The process of acetonating.
acetone
acetone
noun
(organic chemistry) A colourless, volatile, flammable liquid ketone, (CH₃)₂CO, used as a solvent.
acetonemia
acetonemia
noun
(veterinary medicine) Presence of excessive levels of acetone in blood, sometimes occurring in cows during the first weeks after giving birth to a calf.
acetonemic
acetonemic
adj
Of or pertaining to acetonemia
acetones
acetones
noun
plural of acetone
acetonic
acetonic
adj
(organic chemistry) Of, pertaining to, or producing acetone
acetonitrile
acetonitrile
noun
(organic chemistry) The simplest organic cyanide or nitrile, CH₃CN, formally derived from acetic acid
acetonization
acetonization
noun
Synonym of acetonation
acetonize
acetonize
verb
(rare) Synonym of acetonate
acetonuria
acetonuria
noun
(pathology) A form of ketonuria characterized by the presence of acetone in the urine
acetonurometer
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
acetophenetide
acetophenetide
noun
(organic chemistry) The N-acetyl derivative of a phenetidine
acetophenetidin
acetophenetidin
noun
phenacetin
acetophenetidine
acetophenin
acetophenine
acetophenone
acetophenone
noun
(organic chemistry) The aromatic ketone phenyl methyl ketone, used in the manufacture of very many organic compounds
acetopiperone
acetopyrin
acetopyrine
acetopyrine
noun
(medicine) An acetylsalicylate of antipyrine
acetostearin
acetothienone
acetothienone
noun
(organic chemistry) The ketone 1-thiophen-2-ylethanone
acetotoluidine
acetoveratrone
acetoveratrone
noun
(organic chemistry) The ketone 3,4-dimethoxy-acetophenone derived from veratrole
acetylacetonates
acetylacetonates
noun
plural of acetylacetonate
acetylacetone
acetylacetone
noun
(organic chemistry) The diketone CH₃COCH₂COCH₃ used as a solvent and as a coordination ligand
acetylaminobenzene
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
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.
acetylenation
acetylenation
noun
(organic chemistry) Conversion into, or reaction with an acetylene