(zoology) A group of teleostean fishes having spiny fins. See Acanthopterygii.
acanthuridae
aceratherium
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
achromatosis
achromatosis
noun
(pathology) achromia, albinism
achromaturia
achromaturia
noun
(pathology) The lack of pigments (especially bile pigments) in the urine
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.
afterthinker
afterthinker
noun
One who acts first and thinks afterwards.
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.
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.
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.
anacatharsis
anacatharsis
noun
(medicine) vomiting or expectoration
anacathartic
anacathartic
noun
An expectorant or emetic medicine.
ananthropism
anaphroditic
anaphroditic
adj
(rare) Without sexual intercourse.
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
anorthosites
anorthosites
noun
plural of anorthosite
anorthositic
anorthositic
adj
(geology, mineralogy) Composed of anorthosite
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
antehistoric
antepirrhema
antherozooid
antherozooid
noun
Alternative form of antherozoid
anthesteriac
anthesterion
antheximeter
anthologizer
anthologizer
noun
Agent noun of anthologize; one who creates an anthology.
anthotropism
anthracaemia
anthracaemia
noun
Alternative form of anthracemia
anthracitism
anthracitism
noun
(geology, rare) The formation of anthracite.
anthracitous
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
anthranilate
anthranilate
noun
(organic chemistry) Any salt or ester of anthranilic acid
anthraquinol
anthraxolite
anthraxolite
noun
A carbonaceous substance resembling anthracite.
anthropoidal
anthropoidal
adj
anthropoid
anthropoidea
anthropolite
anthropolite
noun
(paleontology, dated) A petrifaction of the human body, or of any portion of it.
anthropolith
anthropozoic
anthropozoic
Adjective
The geological era dominated by the presence of man.
anthropurgic
anththeridia
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
antithrombin
antithrombin
noun
A small molecule that inactivates several enzymes of the coagulation system.
aortographic
aortographic
adj
(medicine) Of or relating to aortography.
aparithmesis
aparithmesis
noun
(rhetoric) An answer to a proposition.
(rhetoric) The enumeration of parts or particulars.
aphorismatic
aphorismatic
adj
aphorismic
aphoristical
aphoristical
adj
Alternative form of aphoristic
aphototropic
aphroditidae
apocatharsis
apocathartic
apochromatic
apochromatic
adj
(optics) Corrected for both chromatic aberration and spherical aberration
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
apparatchiki
apparatchiks
apparatchiks
noun
plural of apparatchik
araphorostic
araphorostic
adj
Seamless, unsewn.
arceuthobium
archagitator
archecentric
archegoniata
archegoniate
archegoniate
adj
(botany) Relating to or possessing archegonia.
noun
Any organism having archegonia.
archeolithic
archeologist
archeologist
noun
(chiefly US) Alternative spelling of archaeologist
archetypical
archetypical
adj
In the way of an archetype, in the way of an idealized model or most representative.
archexorcist
archibenthal
archibenthic
archibenthic
adj
Relating to the upper part of the benthic region, from the sublittoral to the abyssal
archibenthos
archiblastic
archimycetes
architective
architective
adj
Used in building; suitable for building.
architecture
architecture
noun
(computing) A family of CPUs sharing a common instruction set and having partial or full compatibility with software built on each other.
(computing) A specific model of a microchip or CPU.
A unifying structure.
Any particular style of building design.
Construction, in a more general sense; frame or structure; workmanship.
The art and science of designing and managing the construction of buildings and other structures, particularly if they are well proportioned and decorated.