(physics) A logarithmic measure of the amount of light that is absorbed when passing through a substance; the capacity of a substance to absorb light of a given wavelength; optical density.
absorbances
absorbances
noun
plural of absorbance
absorbancies
absorbancies
noun
plural of absorbancy
absorbefacient
absorbefacient
adj
(medicine) Inducing or increasing absorption (of a drug).
noun
(medicine) Any such medicine that induces absorption.
absorbencies
absorbencies
noun
plural of absorbency
absorbency
absorbency
noun
(obsolete) The action of absorbing.
(physics) The ratio of the absorbance or optical density of a substance to that of a similar body of pure solvent.
The quality of being absorbent.
absorptance
absorptance
noun
(optics, physics) Absorbed radiation and incident radiation in a ratio format; a measurement that shows how well a surface absorbs radiation.
absorptances
absorptances
noun
plural of absorptance
abstractedness
abstractedness
noun
The state of being abstracted; abstract character.
abstractiveness
abstractiveness
noun
The property of being abstractive.
abstractness
abstractness
noun
The quality of being abstract.
abstractnesses
abstractnesses
noun
plural of abstractness
acanthocereus
acanthomeridae
acanthopore
acanthopore
noun
(paleontology) A tubular spine in some bryozoans.
acanthopteran
acanthopteran
noun
Alternative form of acanthopterygian
acanthopteri
acanthopteri
noun
(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
acanthuridae
acaridean
acarine
acarine
adj
(medicine) Of or caused by acari or mites.
noun
(zoology) Synonym of acarid.
acarines
acarines
noun
plural of acarine
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
accelerant
accelerant
adj
Causing acceleration or speeding up; accelerating.
noun
(figurative) Something that speeds up a process or the uptake of something else.
A substance used to catalyze the vulcanization of rubber.
In the context of fire protection, a substance that accelerates the development of a fire, especially some hydrocarbon-based fuel used to spread a fire caused by arson.
accelerants
accelerants
noun
plural of accelerant
accelerating
accelerating
noun
An act of acceleration.
verb
present participle of accelerate
acceleratingly
acceleratingly
adv
In an accelerating manner.
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
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
accentuator
accentuator
noun
An agent that accentuates.
accersition
accessariness
accessariness
noun
The state of being accessary.
accessioner
accessioner
noun
One who accessions.
accessoriness
accessoriness
noun
The state of being accessory, or connected subordinately.
accessorizing
accessorizing
verb
present participle of accessorize
accidentarily
accidentary
accidentary
adj
(obsolete) accidental; occurring by chance; occasional
(obsolete) logically accidental; non-essential
accipenser
accipenser
noun
Any sturgeon of the genus Acipenser.
accipitrine
accipitrine
adj
(ornithology) Like or belonging to the Accipitres; raptorial; hawklike.
noun
A hawk or a hawk-like bird.
accipitrines
accipitrines
noun
plural of accipitrine
accompanier
accompanier
noun
Someone or something that accompanies.
accordance
accordance
noun
Agreement; harmony; conformity; compliance.
The act of granting something.
accordances
accordances
noun
plural of accordance
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
accountrement
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
accrediting
accrediting
verb
present participle of accredit
accreditment
accreditment
noun
The process of becoming accredited.
accrementitial
accrementitial
adj
(physiology) Pertaining to accrementition.
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.
accrescence
accrescence
noun
(rare) Continuous growth; an accretion.
accrescendi
accrescendo
accrescent
accrescent
adj
(botany) Which keeps growing past the point it normally would stop and begin wilting.
Growing; increasing.
accreting
accreting
verb
present participle of accrete
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
accriminate
accriminate
verb
(transitive, obsolete) To accuse of a crime.
accroachment
accroachment
noun
(obsolete) An encroachment; usurpation.
accruement
accruement
noun
The act of accruing.
accruements
accruements
noun
plural of accruement
accurateness
accurateness
noun
The state or quality of being accurate; accuracy
accuratenesses
accursedness
accursedness
noun
The quality of being accursed.
aceanthrene
aceanthrenequinone
acensuador
acentric
acentric
adj
Not centered; without a centre
noun
A segment of a chromosome that lacks a centromere
acentrous
acentrous
adj
(ichthyology) lacking vertebral centra
acerbating
acerbating
verb
present participle of acerbate
acerin
acertannin
acertannin
noun
(organic chemistry) The tannin 1,5-anhydro-2,6-bis-O-(3,4,5-trihydroxybenzoyl)-D-glucitol present in leaves of the maple Acer ginnala
acervation
acervation
noun
(obsolete, rare) A heaping up; accumulation
acervuline
acervuline
adj
Resembling little heaps.
acetarsone
acetarsone
noun
Synonym of acetarsol
acetoarsenite
acetoarsenite
noun
(chemistry) Any mixed salt containing both acetate and arsenite anions
acetobromanilide
acetomorphin
acetomorphine
acetomorphine
noun
heroin
acetonitrile
acetonitrile
noun
(organic chemistry) The simplest organic cyanide or nitrile, CH₃CN, formally derived from acetic acid
acetonuria
acetonuria
noun
(pathology) A form of ketonuria characterized by the presence of acetone in the urine
acetonurometer
acetopiperone
acetopyrin
acetopyrine
acetopyrine
noun
(medicine) An acetylsalicylate of antipyrine
acetostearin
acetoveratrone
acetoveratrone
noun
(organic chemistry) The ketone 3,4-dimethoxy-acetophenone derived from veratrole
acetylcholinesterase
acetylcholinesterase
noun
(biochemistry) An enzyme that catalyzes the hydrolysis of the neurotransmitter acetylcholine into choline and acetic acid.
acetylenediurein
acetylhydrazine
acetylhydrazine
noun
(organic chemistry) The acylhydrazine of acetic acid CH₃CO-NH-NH₂
acetylmethylcarbinol
acetylmethylcarbinol
noun
(organic chemistry) acetoin
acetylphenylhydrazine
acetylrosaniline
acetyltropeine
achaenocarp
achaenocarp
noun
Any dry indehiscent fruit.
acharne
acharnement
acharnement
noun
(obsolete) Savage fierceness; ferocity.
achenocarp
acherman
achernar
acheron
acheronian
acheronian
Adjective
Of or pertaining to Acheron.
acherontic
acherontic
adj
Alternative form of Acherontic
acherontical
achondrite
achondrite
noun
(astronomy, geology) Any stony meteorite that contains no chondrules
achondrites
achondrites
noun
plural of achondrite
achroanthes
achrodextrin
achrodextrin
noun
(biochemistry, cytology) A form of dextrin that is not colourable by iodine
achrodextrinase
achroodextrin
achroodextrin
noun
Alternative form of achrodextrin
achroodextrinase
achyranthes
achyranthes
noun
plural of achyranthe
acidanthera
acidanthera
noun
Any of the gladioli previously placed in the genus Acidanthera.