(zoology) A group of teleostean fishes having spiny fins. See Acanthopterygii.
accipitrines
accipitrines
noun
plural of accipitrine
accomplisher
accomplisher
noun
One who accomplishes.
acerbophobia
acetomorphin
acipenserine
acipenserine
adj
Pertaining to sturgeons
acipenseroid
acipenseroid
noun
Synonym of chondrostean
acrocephalia
acrocephalia
noun
(medicine) A deformity of the head in which the top is more or less pointed.
acrocephalic
acrocephalic
adj
Possessing a pointed skull.
noun
A person suffering from a pointed skull.
acrophonetic
acrophonetic
adj
Of or pertaining to acrophony.
actinopteran
adelomorphic
adenographic
adenographic
adj
Pertaining to adenography.
adiaphoresis
adiaphoresis
noun
(medicine) Lack of sweating; anhidrosis.
adiaphoretic
adiponitrile
adiponitrile
noun
(organic chemistry) The nitrile derived from adipic acid
adrenotropic
adrenotropic
adj
That stimulates the adrenal glands or adrenal cortex
adsorptively
adsorptively
adv
In an adsorptive manner; with a tendency toward or characteristic of adsorption.
aecidiospore
aegagropilae
aegagropiles
aelurophobia
aelurophobia
noun
Alternative spelling of ailurophobia
aeolotropism
aeolotropism
noun
aeolotropy
aerobioscope
aerobioscope
noun
An instrument that collects the bacterial content of air
aerographics
aerographics
noun
Synonym of aerography (“production of weather charts”)
aerographies
aerophysical
aerophysical
adj
Relating to aerophysics.
aeropleustic
aeropleustic
adj
(humorous) Of or pertaining to aerial navigation.
aethrioscope
aethrioscope
noun
(meteorology) A device for measuring temperature variations due to different atmospheric conditions, such as cloud or clear skies.
agriotypidae
ailurophiles
ailurophiles
noun
plural of ailurophile
ailurophobes
ailurophobes
noun
plural of ailurophobe
albopruinose
aldermanship
aldermanship
noun
The condition, position, or office of an alderman.
alexipharmic
alexipharmic
adj
(pharmacology, chiefly archaic or historical) Synonym of alexipharmac (“of or pertaining to an alexipharmac; also, acting as an alexipharmac by protecting against or warding off the ill effects of a harmful substance, especially a poison or venom”)
noun
(pharmacology, chiefly archaic or historical, also figuratively) Synonym of alexipharmac (“a medical remedy for protecting the body, or an antidote, against harmful substances, especially a poison or venom (specifically, that of a snake)”); an antidote.
alexipyretic
alexipyretic
adj
(pharmacology, obsolete, rare) Having the effect of reducing fever.
noun
(pharmacology, obsolete) A medicine which reduces fever.
allelotropic
allomorphite
alphabetiser
alphabetiser
noun
Non-Oxford British English standard spelling of alphabetizer.
alphabetizer
alphabetizer
noun
One who, or that which, alphabetizes.
alphamerical
alphamerical
adj
alphanumeric / alphanumerical
alphanumeric
alphanumeric
adj
Consisting of these characters plus punctuation and other special characters.
Consisting of, or limited to, letters and/or numbers, especially the characters A to Z (lowercase and uppercase) and 0 to 9.
noun
An alphanumeric character.
americophobe
americophobe
Noun
Americanophobe
aminopherase
aminopterins
aminopterins
noun
plural of aminopterin
aminopyrines
aminopyrines
noun
plural of aminopyrine
amperometric
amperometric
adj
(chemistry, physics) That involves measurement of an electric current during a process such as titration
amphicarpaea
amphicentric
amphierotism
amphimorulae
amphineurous
amphipyrenin
amphitheater
amphitheater
noun
American spelling form of amphitheatre
amphitheatre
amphitheatre
noun
(geology) A natural formation of a similar shape, where a steep mountain or slope a particular rock formation forms a partial or compete bowl, especially one used as a performance space (and possibly modified by carving out seats, etc) because the slopes naturally amplify or echo sound.
An open, outdoor theatre (which may be a theatre in the round, or have a stage with seating on only one side), especially one from the classical period of ancient Greece or Rome, or a modern venue of similar design.
amphitriaene
amphotericin
amphotericin
noun
(biochemistry) Any of a group of amphoteric antibiotic and antifungal agents derived from Streptomyces bacteria.
anemographic
anemographic
adj
Produced by an anemograph; of or pertaining to anemography.
anemotropism
anemotropism
noun
(botany) The orientation of plants in response to the direction of the wind.
anepigraphic
anepigraphic
adj
Without a legend or inscription (on artifacts, coins, etc.)
angioparesis
angiospermae
angiospermal
angiospermal
adj
angiospermous
angiospermic
angiospermic
adj
Relating to angiosperms
anisometrope
anisopleural
anisopterous
anisotropies
anisotropies
noun
plural of anisotropy
antepirrhema
anteporticos
anteprandial
anteprandial
adj
Before a meal, especially before dinner.
antepreterit
antepretonic
anterospinal
antesuperior
anthropoidea
anthropolite
anthropolite
noun
(paleontology, dated) A petrifaction of the human body, or of any portion of it.
anticreeping
antientropic
antientropic
adj
Countering entropy.
antigropelos
antigropelos
noun
(dated) Waterproof leggings.
antimetropia
antimetropia
noun
(ophthalmology) An extreme form of anisometropia in which one eye is myopic and the other hyperopic.
antimetropic
antimetropic
adj
Relating to antimetropia
antiparabema
antiparallel
antiparallel
adj
(biochemistry) Describing the orientations of the two strands of DNA.
(biochemistry) Describing two beta strands comprising a protein's secondary structure that are aligned and hydrogen bonded but where the vectors describing the amino- and carboxy-terminal ends of each strand are oriented 180° relative to one another.
noun
(geometry) A line that forms equal angles with two other lines, but in opposite directions.
antiparticle
antiparticle
noun
(physics) A subatomic particle corresponding to another particle with the same mass, spin and mean lifetime but with charge, parity, strangeness and other quantum numbers flipped in sign; a particle that has a reversed world line to another.
antiperiodic
antiperiodic
adj
(mathematics) Exhibiting antiperiodicity.
(medicine) preventing the regular recurrence of symptoms
noun
(medicine) A drug that prevents the regular recurrence of symptoms.
antiperthite
antiperthite
noun
(mineralogy) A perthite having sodic feldspar as the dominant phase.
antipleasure
antipleasure
adj
Opposing pleasure.
antiportable
antipredator
antipredator
adj
Alternative spelling of anti-predator
antiprelatic
antiprostate
antiprostate
adj
That counters a disease of the prostate
antiprotease
antiprotease
noun
Anything that inhibits the action of a protease
antipyretics
antipyretics
noun
plural of antipyretic
antisplasher
antisplasher
noun
A device in a sink or toilet to prevent splashing.
antispreader
antispreader
noun
Any of several devices that prevent spreading
antistrophes
antistrophes
noun
plural of antistrophe
aparithmesis
aparithmesis
noun
(rhetoric) An answer to a proposition.
(rhetoric) The enumeration of parts or particulars.
apeirophobia
apeirophobia
noun
The fear of infinity and/or eternity.
aperiodicity
aperiodicity
noun
The condition of being aperiodic
aperispermic
aperispermic
adj
(botany) having no albumen around the embryo of the seed
aperistalsis
aperistalsis
noun
(medicine) Absence of peristalsis.
aphroditidae
aplacentaria
apogeotropic
apogeotropic
adj
(botany) Bending away from the ground; said of leaves, etc.
(medicine) Tending skyward, as with apogeotropic nystagmus.
apomorphines
apomorphines
noun
plural of apomorphine
aposafranine
aposafranine
noun
benzinduline
apostrophied
apostrophied
adj
Alternative form of apostrophed
apostrophise
apostrophise
verb
Alternative spelling of apostrophize
apostrophize
apostrophize
verb
(transitive) To deliver an apostrophe (an exclamatory speech) to someone, especially someone not present.
To add one or more apostrophe characters to text to indicate missing letters.
apothecaries
apothecaries
noun
plural of apothecary
appendicular
appendicular
adj
Of or pertaining to a limb or appendage.
Of or pertaining to the appendix.
apperceiving
apperceiving
verb
present participle of apperceive
apperception
apperception
noun
(countable, psychology) The general process or a particular act of mental assimilation of new experience into the totality of one's past experience.
(uncountable) Psychological or mental perception; recognition.
(uncountable, psychology and philosophy, especially Kantianism) The mind's perception of itself as the subject or actor in its own states, unifying past and present experiences; self-consciousness, perception that reflects upon itself.
apperceptive
apperceptive
adj
perceptive
appercipient
appertaining
appertaining
verb
present participle of appertain
appoggiature
apportionate
apportionate
adj
(archaic) Synonym of proportional, Synonym of apportioned
verb
(archaic) to apportion shares
appraisement
appraisement
noun
(dated) The act of appraising.
appreciating
appreciating
adj
Appreciative: having or showing appreciation.
noun
appreciation
verb
present participle of appreciate
appreciation
appreciation
noun
A fair valuation or estimate of merit, worth, weight, etc.; recognition of excellence; gratitude and esteem.
A rise in value.
Accurate perception; true estimation.
The act of appreciating.
appreciative
appreciative
adj
Capable of showing appreciation.
appreciators
appreciators
noun
plural of appreciator
appreciatory
appreciatory
adj
Showing appreciation; appreciative.
apprehending
apprehending
noun
An act by which something is apprehended.
verb
present participle of apprehend
apprehension
apprehension
noun
(law) The act of seizing or taking by legal process; arrest.
(rare) The physical act of seizing or taking hold of (something); seizing.
Anticipation, especially of unfavorable things such as dread or fear or the prospect of something unpleasant in the future.
Opinion; conception; sentiment; idea.
Perception; the act of understanding using one's intellect without affirming, denying, or passing any judgment
The faculty by which ideas are conceived or by which perceptions are grasped; understanding.
apprehensive
apprehensive
adj
(obsolete) Perceptive; quick to learn; capable of understanding using one's intellect.
Anticipating something with anxiety, fear, or doubt.
apprenticing
apprenticing
verb
present participle of apprentice
appressorial
appressorial
adj
(mycology) Of or pertaining to appressoria
appressorium
appressorium
noun
(mycology) A bulbous formation produced by parasitic fungi that is well attached to the cuticle of the host and from where a peg-shaped hypha is formed that penetrates the cuticle.
appropriable
appropriable
adj
(law) Able to be appropriated.
appropriated
appropriated
adj
set aside for a specified purpose
verb
simple past tense and past participle of appropriate
appropriates
appropriates
verb
Third-person singular simple present indicative form of appropriate
approximable
approximable
adj
(mathematics) Able to be approximated
approximated
approximated
adj
Calculated by approximation
verb
simple past tense and past participle of approximate
approximates
approximates
verb
Third-person singular simple present indicative form of approximate
archesporial
archesporial
adj
Relating to the archesporia, cells of the sporangium that give rise to spores.
archesporium
archesporium
noun
(botany) Any of the cells of the sporangium that give rise to spores.
archetypical
archetypical
adj
In the way of an archetype, in the way of an idealized model or most representative.
archimperial
archipelagic
archipelagic
adj
(geography) Of or pertaining to an archipelago; of the nature of an archipelago.
archipelagos
archiphoneme
archiphoneme
noun
(phonology) A unit representing two or more underlying phonemes, where the distinction between them has been neutralized under certain conditions.
archispermae
archisupreme
archpilferer
archpractice
archprelatic
areopagitica
argeiphontes
argyraspides
argyraspides
noun
plural of argyraspide
aristophanes
aristophanes
Proper noun
An Ancient Greek male name, most famously borne by a playwright who lived from circa 446 BC to circa 386 BC.
arpeggiating
arpeggiating
verb
present participle of arpeggiate
arpeggiation
arpeggiation
noun
(music) The act of arpeggiating, of spreading a chord out instead of playing the notes simultaneously.