(zoology) A group of teleostean fishes having spiny fins. See Acanthopterygii.
acanthuridae
acceleratorh
accroachment
accroachment
noun
(obsolete) An encroachment; usurpation.
aceratherium
acetochloral
acetomorphin
acherontical
achrodextrin
achrodextrin
noun
(biochemistry, cytology) A form of dextrin that is not colourable by iodine
achromatinic
achromatinic
adj
(cytology, of a cell nucleus) Lacking the ability to be coloured by a stain.
achromatised
achromatised
verb
simple past tense and past participle of achromatise
achromatisms
achromatisms
noun
plural of achromatism
achromatized
achromatized
verb
simple past tense and past participle of achromatize
achromatizes
achromatizes
verb
Third-person singular simple present indicative form of achromatize
achromatopia
achromatopia
noun
defective ability to see colours
achromatopsy
achromatopsy
noun
color blindness; inability to distinguish colors; daltonism, achromatopia
achromatosis
achromatosis
noun
(pathology) achromia, albinism
achromaturia
achromaturia
noun
(pathology) The lack of pigments (especially bile pigments) in the urine
achtelthaler
acocantherin
acocantherin
noun
Alternative form of acokantherin
acroesthesia
acroesthesia
noun
Alternative spelling of acroaesthesia
acrophonetic
acrophonetic
adj
Of or pertaining to acrophony.
acrosticheae
acrostichoid
acrostichoid
adj
(botany, of a fern) Whose sori densely cover the underside of the frond like a felt, without visible gaps between them.
actinobranch
actinobranch
noun
(biology) An organ, in some anthozoans, that functions as a gill
actinography
actinography
noun
measurement with an actinograph
actinomorphy
actinomorphy
noun
The condition of being actinomorphic.
actinophryan
actinotrocha
actinotrocha
noun
The larva of a phoronid.
adiaphoretic
aerotechnics
aerotechnics
noun
aeronautics (aeronautic technology)
aethrioscope
aethrioscope
noun
(meteorology) A device for measuring temperature variations due to different atmospheric conditions, such as cloud or clear skies.
affrightedly
affrightedly
adv
(archaic, poetic) with fright
affrightment
affrightment
noun
(archaic) Fright; fear; alarm; the fact or state of being frightened.
(obsolete) A cause of fear.
(obsolete) The action of frightening or terrifying; intimidation.
aforethought
aforethought
adj
(postpositive) Premeditated; planned ahead of time.
aftershafted
afterstretch
afterthinker
afterthinker
noun
One who acts first and thinks afterwards.
afterthought
afterthought
noun
A reflection after an act; a later or subsequent thought, action, or expedient.
Something additional to the original plan or concept.
verb
(very rare except in the past tense, possibly nonstandard) To expound as an afterthought.
simple past tense and past participle of afterthink
aghorapanthi
airfreighted
airfreighted
verb
simple past tense and past participle of airfreight
airfreighter
airtightness
airtightness
noun
The quality of being airtight.
airworthiest
airworthiest
adj
superlative form of airworthy: most airworthy
akrochordite
akrochordite
noun
(mineralogy) A monoclinic-prismatic reddish brown mineral containing arsenic, hydrogen, magnesium, manganese, and oxygen.
alcoholature
alcoholature
noun
(medicine, dated) An alcoholic tincture prepared with fresh plants.
alcoholmeter
alcoholmeter
noun
Alternative form of alcoholometer
allomorphite
allorhythmia
allorhythmia
noun
(pathology) An irregular pattern of the heartbeat
allothimorph
alphabetiser
alphabetiser
noun
Non-Oxford British English standard spelling of alphabetizer.
alphabetizer
alphabetizer
noun
One who, or that which, alphabetizes.
amateurishly
amateurishly
adv
In an amateurish manner; without expertise or professionalism.
amianthiform
amianthiform
adj
Resembling amianthus in form.
amorphophyte
amorphophyte
noun
Any plant with flowers of an irregular or anomalous shape
amphicentric
amphicyrtous
amphierotism
amphigastria
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.
amphithurons
amphithyrons
amphitriaene
amphitropous
amphitropous
adj
(botany) Having the ovule bent so that the ends are near each other.
amphotericin
amphotericin
noun
(biochemistry) Any of a group of amphoteric antibiotic and antifungal agents derived from Streptomyces bacteria.
amyelotrophy
amyelotrophy
noun
(medicine) Atrophy of the spinal cord.
anacatharsis
anacatharsis
noun
(medicine) vomiting or expectoration
anacathartic
anacathartic
noun
An expectorant or emetic medicine.
ananthropism
anaphroditic
anaphroditic
adj
(rare) Without sexual intercourse.
anarthropoda
anarthrously
anarthrously
adv
(grammar) In an anarthrous manner; without an accompanying article.
anchoretical
anchoretical
adj
anchoretic
anchoritical
anesthetizer
anesthetizer
noun
(dated) A person that administers anesthesia
A device with an anesthetic effect
angiostrophy
angiotrophic
angiotrophic
adj
vasotrophic
anhysteretic
anhysteretic
adj
Not involving or producing hysteresis.
animatograph
annihilators
annihilators
noun
plural of annihilator
annihilatory
annihilatory
adj
Causing annihilation.
anocathartic
anorthoclase
anorthoclase
noun
(mineralogy) Any of a group of feldspars being mixed sodium and potassium aluminosilicates.
anorthophyre
anorthoscope
anorthoscope
noun
An optical device (often a toy) used to produce a form of anamorphosis or to view distorted figures
anorthosites
anorthosites
noun
plural of anorthosite
anorthositic
anorthositic
adj
(geology, mineralogy) Composed of anorthosite
anotherguess
anotherguess
adj
(archaic) Of another kind.
antarchistic
antarthritic
antarthritic
adj
(pharmacology) Preventing or alleviating arthritis.
noun
(pharmacology) An agent that prevents or alleviates arthritis.
antebrachial
antebrachial
adj
(anatomy) relating to the forearm
antebrachium
antebrachium
noun
(anatomy) The forearm
antechambers
antechambers
noun
plural of antechamber
antehistoric
antepirrhema
antherozooid
antherozooid
noun
Alternative form of antherozoid
anthesteriac
anthesterion
antheximeter
anthocarpous
anthocarpous
adj
(botany) Having some portion of the floral envelopes attached to the pericarp to form the fruit.
anthologizer
anthologizer
noun
Agent noun of anthologize; one who creates an anthology.
anthophorous
anthospermum
anthotropism
anthracaemia
anthracaemia
noun
Alternative form of anthracemia
anthracitism
anthracitism
noun
(geology, rare) The formation of anthracite.
anthracitous
anthracnoses
anthracnoses
noun
plural of anthracnose
anthracnosis
anthracnosis
noun
An inflammatory infection of the ear and auditory canal, especially in cats and dogs.
Canker; ulcer of the mouth.
anthracocide
anthraconite
anthraconite
noun
(mineralogy) A coal-black marble, usually emitting a foetid smell when rubbed.
anthraflavic
anthragallol
anthragallol
noun
(organic chemistry) 1,2,3-trihydroxyanthraquinone
anthranilate
anthranilate
noun
(organic chemistry) Any salt or ester of anthranilic acid
anthraquinol
anthratetrol
anthraxolite
anthraxolite
noun
A carbonaceous substance resembling anthracite.
anthropogeny
anthropogeny
noun
The study of human origins, human generation, or the origin and development of man.
anthropoglot
anthropoglot
noun
An animal (such as a parrot) with tongue similar to humans allowing human-like speech.
anthropogony
anthropogony
noun
Synonym of anthropogenesis
anthropoidal
anthropoidal
adj
anthropoid
anthropoidea
anthropolite
anthropolite
noun
(paleontology, dated) A petrifaction of the human body, or of any portion of it.
anthropolith
anthropology
anthropology
noun
The holistic scientific and social study of humanity, mainly using ethnography as its method.
anthroponomy
anthroponomy
noun
(anthropology) The science of the laws of the development of the human organism in relation to other organisms and the environment.
anthropotomy
anthropotomy
noun
The anatomy or dissection of the human body; androtomy.
anthropozoic
anthropozoic
Adjective
The geological era dominated by the presence of man.
anthropurgic
anththeridia
anthypophora
anthypophora
noun
(rhetoric) A device in which the author poses an opposing argument, then immediately refutes it.
antianarchic
antianarchic
adj
Opposing anarchy.
antibrachial
antibrachial
adj
(anatomy) Of or pertaining to the antibrachium, or forearm.
antichlorine
antichlorine
noun
Synonym of antichlor (“substance used to remove chlorine”)
antichoicers
antichoicers
noun
plural of antichoicer
antichronism
antichronism
noun
Deviation from the true order of time; anachronism.
antiheroines
antiheroines
noun
plural of antiheroine
antihidrotic
antihidrotic
adj
Countering hidrosis.
noun
Any drug that counters hidrosis.
antihydropic
antihydropic
adj
(medicine) Countering dropsy.
noun
(medicine) A remedy for dropsy.
antihydropin
antihysteric
antihysteric
adj
(pharmacology) Countering hysterics.
noun
(pharmacology) Any substance that counters hysterics.
antimonarchy
antimonarchy
adj
(politics) Opposing a specific monarchical system or monarchy in general.
noun
(politics) An antimonarchic movement.
(politics) Stance against monarchy.
antiorthodox
antiorthodox
adj
Opposing what is orthodox.
antipatharia
antiperthite
antiperthite
noun
(mineralogy) A perthite having sodic feldspar as the dominant phase.
antiphrastic
antiphrastic
adj
(rhetoric) of, or relating to antiphrasis
antirachitic
antirachitic
adj
(medicine) That cures or prevents rickets.
noun
Any drug that cures or prevents rickets.
antirrhinums
antirrhinums
noun
plural of antirrhinum
antisplasher
antisplasher
noun
A device in a sink or toilet to prevent splashing.
antistrophal
antistrophal
adj
Of or relating to antistrophe (in Greek choruses and dances).
antistrophes
antistrophes
noun
plural of antistrophe
antistrophic
antistrophic
adj
(poetry) Of or pertaining to an antistrophe.
antistrophon
antistrophon
noun
(rhetoric) An argument retorted on an opponent.
antithrombic
antithrombic
adj
(biochemistry) Of, pertaining to, or resembling the action of antithrombin