(astronomy) A small periodical change of the apparent positions of the stars and other heavenly bodies, due to the combined effect of the motion of light and the motion of the observer.
(astronomy, by extension) The tendency of light rays to preferentially strike the leading face of a moving object (the effect underlying the above phenomenon).
(electronics) A defect in an image produced by an optical or electrostatic lens system.
(medicine) A deviation of a tissue, organ or mental functions from what is considered to be within the normal range.
(optics) The convergence to different foci, by a lens or mirror, of rays of light emanating from one and the same point, or the deviation of such rays from a single focus; a defect in a focusing mechanism that prevents the intended focal point.
(zoology, botany) A typical development or structure; deviation from the normal type; an aberrant organ.
A mental disorder, especially one of a minor or temporary character.
A partial alienation of reason.
The act of wandering; deviation from truth, moral rectitude; abnormal; divergence from the straight, correct, proper, normal, or from the natural state.
aberuncate
aberuncate
verb
(rare, transitive) To eradicate; to pull up by the roots.
abirritant
abirritant
adj
(medicine) Acting to diminish irritation; soothing.
noun
(pharmacology) A medicine that diminishes irritation.
abjuration
abjuration
noun
A repudiation on oath of a religious or political principle.
A solemn recantation or renunciation on oath; as, an abjuration of heresy.
The act of abjuring.
abjurement
abjurement
noun
(rare) renunciation
abnegators
abnegators
noun
plural of abnegator
abominator
abominator
noun
One who abominates.
aborsement
aborsement
noun
(obsolete) Abortment; abortion
abortional
abortional
adj
(rare) Pertaining to abortion; miscarrying; abortive.
abreacting
abreacting
verb
present participle of abreact
abreaction
abreaction
noun
(psychoanalysis) The re-living of an experience with a view to purging its emotional dross.
abridgment
abridgment
noun
(US) An epitome or compend, as of a book; a shortened or abridged form; an abbreviation.
(US) The act of abridging; reduction or deprivation
(US) The state of being abridged or lessened.
(dated, law) Any of various brief statements of case law made before modern reporting of legal cases.
(law) The leaving out of certain portions of a plaintiff's demand, the writ still holding good for the remainder.
(obsolete) That which abridges or cuts short; hence, an entertainment that makes the time pass quickly
abrogating
abrogating
verb
present participle of abrogate
abrogation
abrogation
noun
The act of abrogating; a repeal by authority; abolition.
abruptness
abruptness
noun
Suddenness; unceremonious haste or vehemence.
The state of being abrupt or broken
absorbents
absorbents
noun
plural of absorbent
absorbtion
absorbtion
noun
Misspelling of absorption.
absorption
absorption
noun
(chemistry, physics) the imbibing or reception by molecular or chemical action, of radiant energy; the process of being neutrons being absorbed by the nucleus; interception.
(electrical engineering) The retaining of electrical energy for a short time after it has been introduced to the dielectric.
(meteorology) The process in which incident radiant energy is retained by a substance (such as an air mass) by conversion to some other form of energy (such as heat).
(obsolete) engulfing; swallowing up, as of bodies or land.
(physiology) in living organisms, the process by which the materials of growth and nutrition are absorbed and conveyed to the tissues and organs; taking in by various means, such as by osmosis.
Entire engrossment or occupation of the mind.
Mental assimilation.
assimilation; incorporation.
abstainers
abstainers
noun
plural of abstainer
abstergent
abstergent
adj
Cleansing, detergent.
noun
A substance used to cleanse; a detergent.
absterging
absterging
verb
present participle of absterge
abstersion
abstersion
noun
(archaic) Act of wiping clean; a cleansing; a purging.
abstertion
abstrahent
abstrusion
abstrusion
noun
(rare) The act of thrusting away.
abterminal
abterminal
adj
(anatomy, of an electrical current in a muscle) Away from the end and towards the centre
abthainrie
acantharia
acanthurus
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.
accounters
accounters
noun
plural of accounter
accoutring
accoutring
verb
present participle of accoutre
accrescent
accrescent
adj
(botany) Which keeps growing past the point it normally would stop and begin wilting.
Growing; increasing.
accretions
accretions
noun
plural of accretion
accrington
accrington
Proper noun
A town in Hyndburn borough, Lancashire, England.
accruement
accruement
noun
The act of accruing.
acerbating
acerbating
verb
present participle of acerbate
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
acetarsone
acetarsone
noun
Synonym of acetarsol
acetonuria
acetonuria
noun
(pathology) A form of ketonuria characterized by the presence of acetone in the urine
acetopyrin
acherontic
acherontic
adj
Alternative form of Acherontic
achondrite
achondrite
noun
(astronomy, geology) Any stony meteorite that contains no chondrules
achromatin
achromatin
noun
(biology) Tissue that is not stained by fluid dyes.
acierating
acierating
verb
present participle of acierate
acieration
acieration
noun
(rare) The conversion of iron into steel.
acinetaria
acrolithan
acrolithan
Adjective
Relating to, or like, an acrolith.
acroterion
acroterion
noun
Alternative form of acroterium
actiniaria
actiniform
actiniform
adj
Having a radiated form
actinocarp
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
acturience
acturience
noun
tendency or impulse to act
acutorsion
acutorsion
noun
(medicine) The twisting of an artery with a needle to arrest hemorrhage.
adendritic
adendritic
adj
(biology) (of a neuron) Not having dendrites.
(biology) (of other cells) Not having cytoplasmic processes.
Not having a branching structure, not tree-like.
adherently
adherently
adv
In an adherent manner.
adjuration
adjuration
noun
A grave warning.
A solemn oath.
administer
administer
verb
(intransitive) To minister (to).
(law) To settle, as the estate of one who dies without a will, or whose will fails of an executor.
(medicine) To give a drug to a patient, be it orally or by any other means.
(transitive) To apportion out, distribute.
(transitive) To cause to ingest (a drug), either by openly offering or through deceit.
(transitive) To manage or supervise the conduct, performance or execution of; to govern or regulate the parameters for the conduct, performance or execution of; to work in an administrative capacity.
To give, as an oath.
admiration
admiration
noun
(obsolete) Cause of admiration; something to excite wonder, or pleased surprise.
(obsolete) Wondering or questioning (without any particular positive or negative attitude to the subject).
A positive emotion including wonder and approbation; the regarding of another as being wonderful
admonitory
admonitory
adj
Of or pertaining to an admonition; serving to reprove, warn or advise.
admonitrix
admonitrix
noun
(archaic) A female admonitor.
adorations
adorations
noun
plural of adoration
adornation
adornation
Noun
adornment
adornments
adornments
noun
plural of adornment
adroitness
adroitness
noun
skillfulness or ease of ability.
adsorbents
adsorbents
noun
plural of adsorbent
adsorption
adsorption
noun
The adhesion of a liquid or gas on the surface of a solid material, forming a thin film on the surface.
adterminal
adulterant
adulterant
noun
That which adulterates, or reduces the purity of something.
adulterine
adulterine
adj
Born of adultery.
Illegal; unlicensed.
Pertaining to adultery.
Spurious; due to adulteration.
noun
(rare) One born of an adulterous union.
adventured
adventured
verb
simple past tense and past participle of adventure
adventurer
adventurer
noun
(video games) A player of adventure games or text adventures.
A person who seeks a fortune in new and possibly dangerous enterprises.
A person who tries to advance their social position by somewhat devious means.
A soldier of fortune, a speculator.
One who enjoys adventures.
adventures
adventures
noun
plural of adventure
verb
Third-person singular simple present indicative form of adventure
advertence
advertence
noun
The quality of being advertent
advertency
advertency
noun
The quality of being advertent.
aerobating
aerobating
verb
present participle of aerobate
aerodontia
aerodontic
aeromantic
aeromantic
adj
Pertaining to or of the nature of aeromancy.
aeronautic
aeronautic
adj
Having to do with aerial navigation
aeronomist
aeronomist
Noun
One who studies aeronomy.
aeviternal
aeviternal
adj
(theology) Pertaining to aeviternity, a state between eternity, which is unchanging and outside of time, and temporality, which is subject to change and to death or annihilation. Things aeviternal are creations, like the temporal, but everlasting, like the eternal.
affeerment
affeerment
noun
(obsolete, law) The act of affeering or assessing an amercement, according to the circumstances of the case.
afferently
afferently
adv
Inwardly, toward the center.
affronting
affronting
noun
The offering of an affront.
verb
present participle of affront
affrontive
affrontive
adj
Tending to affront or offend.
africanist
africanist
Noun
A specialist in African studies.
An African nationalist; someone who subscribes to the doctrine of Africanism.
afterbrain
afterbrain
noun
(anatomy) A posterior subdivision of the hindbrain; the myelencephalon
afterdrain
aftergrind
afternight
afternoons
afternoons
noun
plural of afternoon
afterpains
afterpains
noun
plural of afterpain
aftershine
aftersound
aftersound
noun
(acoustics) The second, slower phase of decay in the sound made by a piano string when it is struck.
(phonetics, obsolete) A weaker sound that immediately follows a more salient one, such as the second, less prominent vowel sound in a falling diphthong.
A sound that persists or remains audible after its source has ceased to produce it; the perception of such a sound.
A kind of ancient pottery vase used for holding oils, and originally made from alabaster.
alboranite
alcoranist
alcoranist
Noun
One who follows the Qur'an exactly as it is written.
alimentary
alimentary
adj
Nourishing; nutritious.
Of, or relating to food, nutrition or digestion.
alipterion
allanturic
allenhurst
allurement
allurement
noun
An enticement, inducement or bait.
Attractiveness; appeal, charisma.
almacantar
almacantar
noun
Alternative form of almucantar
almucantar
almucantar
noun
(astronomy, archaic or historical) A small circle on the celestial sphere, parallel to the horizon, that is used in astronomy and navigation to show altitude of a star or any other heavenly body.
(astronomy, archaic or historical) An instrument for observing the heavenly bodies as they cross such a circle.
alpestrian
alpestrine
alpestrine
adj
Synonym of subalpine
alteration
alteration
noun
The act of altering or making different.
The state of being altered; a change made in the form or nature of a thing; a changed condition.
alternance
alternance
noun
Alternation.
alternaria
alternated
alternated
verb
simple past tense and past participle of alternate
alternater
alternates
alternates
noun
plural of alternate
verb
Third-person singular simple present indicative form of alternate
alternator
alternator
noun
(electrical engineering) An electric generator which produces alternating current through mechanical means.
altrincham
altrincham
Proper noun
a town in Greater Manchester, England
amaranthus
amaranthus
noun
Any of the genus Amaranthus; an amaranth.
amarantine
amarantine
noun
Alternative form of amaranthine
amarantite
amarantite
noun
(mineralogy) A triclinic-pinacoidal mineral containing hydrogen, iron, oxygen, and sulfur.
ameliorant
ameliorant
noun
A substance that helps plants grow by improving the physical condition of the soil.
Anything that improves something else.
amendatory
amendatory
adj
For the purpose of amending or correction.
amentiform
amentiform
adj
(botany) Shaped like a catkin.
amercement
amercement
noun
(law) A non-statutory monetary penalty or forfeiture, usually applied at the discretion of a court.
ammoniuret
amortising
amortising
verb
present participle of amortise
amortizing
amortizing
verb
present participle of amortize
amphitryon
anabathrum
anacrotism
anacrotism
noun
(biology) A secondary notch in the pulse curve, obtained in a sphygmographic tracing.
anacrustic
anacrustic
adj
Exhibiting or relating to anacrusis.
anaculture
anarcestes
anarchists
anarchists
noun
plural of anarchist
anaretical
anarithmia
anarithmia
noun
A pathological inability to count
anarthrous
anarthrous
adj
(biology, of a limb) Not having joints.
(biology, of an organism) Not having legs, wings, or other limbs.
(linguistics) Not having a determiner.
(linguistics) Not having an article (especially of Greek nouns).
Nouns indicating status often appear in anarthrous noun phrases, ie, as bare nouns.
anartismos
anastrophe
anastrophe
noun
(rhetoric) Unusual word order, often involving an inversion of the usual pattern of the sentence.