(zoology) A group of teleostean fishes having spiny fins. See Acanthopterygii.
acephalocyst
acephalocyst
noun
(zoology) A larval entozoön in the form of a subglobular or oval vesicle, or hydatid, filled with fluid, sometimes found in the tissues of man and the lower animals; -- so called from the absence of a head or visible organs on the vesicle. These cysts are the immature stages of certain tapeworms. Also applied to similar cysts of different origin.
acetomorphin
acetophenine
acetophenone
acetophenone
noun
(organic chemistry) The aromatic ketone phenyl methyl ketone, used in the manufacture of very many organic compounds
acetylphenol
achromatopia
achromatopia
noun
defective ability to see colours
achromatopsy
achromatopsy
noun
color blindness; inability to distinguish colors; daltonism, achromatopia
acrophonetic
acrophonetic
adj
Of or pertaining to acrophony.
actinography
actinography
noun
measurement with an actinograph
actinomorphy
actinomorphy
noun
The condition of being actinomorphic.
actinophonic
actinophonic
adj
Relating to the production of sound by means of the actinic, or ultraviolet, rays.
actinophryan
adenotyphoid
adiaphoretic
advocateship
advocateship
noun
(now rare) The office or function of an advocate; advocacy.
aethrioscope
aethrioscope
noun
(meteorology) A device for measuring temperature variations due to different atmospheric conditions, such as cloud or clear skies.
aetiophyllin
aghorapanthi
aglyphodonta
allelopathic
allelopathic
adj
relating to an allelopathy
allodelphite
allomorphite
allopathetic
allopathetic
adj
Involving or based on allopathy; allopathic.
allophanates
allophanates
noun
plural of allophanate
allothimorph
alphitomancy
alphitomancy
noun
An Ancient Greek method of divination using barley meal, used for instance to reveal guilty parties; it entailed feeding a person or group barley meal, and judging those who felt no effects to be innocent, while judging those who felt indigestion to be guilty.
amathophobia
amathophobia
noun
Fear of dust.
amorphophyte
amorphophyte
noun
Any plant with flowers of an irregular or anomalous shape
amphibiontic
amphibiotica
amphibolites
amphibolites
noun
plural of amphibolite
amphibolitic
amphibolitic
adj
Of, pertaining to, or composed of an amphibolite.
amphictyonic
amphictyonic
adj
(Ancient Greece) Of or relating to the amphictyons or their League or Council.
amphicyrtous
amphierotism
amphipeptone
amphistomoid
amphistomous
amphistomous
adj
(zoology) Having a sucker at each extremity.
amphithurons
amphithyrons
amphitropous
amphitropous
adj
(botany) Having the ovule bent so that the ends are near each other.
amphopeptone
amphopeptone
noun
(biochemistry) A product of gastric digestion, a mixture of hemipeptone and antipeptone.
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.
ananthropism
anaphroditic
anaphroditic
adj
(rare) Without sexual intercourse.
anarthropoda
anchistopoda
angiostrophy
angiotrophic
angiotrophic
adj
vasotrophic
anglophobist
animatograph
anophthalmia
anophthalmia
noun
(teratology) The congenital absence of one or both eyes
anophthalmos
anophthalmos
noun
anophthalmia
anophthalmus
anorthophyre
anorthoscope
anorthoscope
noun
An optical device (often a toy) used to produce a form of anamorphosis or to view distorted figures
anthocarpous
anthocarpous
adj
(botany) Having some portion of the floral envelopes attached to the pericarp to form the fruit.
anthophagous
anthophagous
adj
That feeds on flowers
anthophilian
anthophilous
anthophilous
adj
Living or growing on flowers
anthophorous
anthospermum
anthotropism
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
anthypophora
anthypophora
noun
(rhetoric) A device in which the author poses an opposing argument, then immediately refutes it.
antihydropic
antihydropic
adj
(medicine) Countering dropsy.
noun
(medicine) A remedy for dropsy.
antihydropin
antihypnotic
antihypnotic
adj
(medicine) Tending to prevent sleep.
noun
Any agent that prevents sleep.
antipathogen
antipathogen
noun
(medicine) Any drug that counters the effects of a pathogen
antiphonally
antiphonally
adv
In an antiphonal manner; in the manner of an antiphon.
antiphonetic
antiphonetic
adj
(linguistics) Going against the rules of phonetics; not spelled according to the sound.
antiphonical
antiphonical
adj
Alternative form of antiphonic
antipoaching
antipoaching
adj
Seeking to prevent or prohibit poaching
antisiphonal
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.
aortographic
aortographic
adj
(medicine) Of or relating to aortography.
aortorrhaphy
aortorrhaphy
noun
(surgery) suture of the aorta
aphorismatic
aphorismatic
adj
aphorismic
aphoristical
aphoristical
adj
Alternative form of aphoristic
aphototactic
aphototropic
aphroditidae
apocatharsis
apocathartic
apochromatic
apochromatic
adj
(optics) Corrected for both chromatic aberration and spherical aberration
apocynthions
apophylactic
apophyllites
apophyllites
noun
plural of apophyllite
apostleships
apostleships
noun
plural of apostleship
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
apothegmatic
apothegmatic
Adjective
Relating to, or in the manner of, an apothegm; sententious; pithy.
apotheosised
apotheosised
verb
simple past tense and past participle of apotheosise
apotheosized
apotheosized
verb
simple past tense and past participle of apotheosize
apotheosizes
apotheosizes
verb
Third-person singular simple present indicative form of apotheosize
approachment
approachment
noun
(archaic) approach
araphorostic
araphorostic
adj
Seamless, unsewn.
archapostate
archeopteryx
archeopteryx
noun
A specimen of the species Archaeopteryx lithographica, being the earliest and most primitive known bird, representing a transition in the evolution of dinosaurs to birds.
argeiphontes
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.
aristophanic
aristophanic
Adjective
Aristophanean
arithmograph
aromatherapy
aromatherapy
noun
(alternative medicine) The use of selected fragrances in lotions and inhalants in an effort to affect mood and promote health.
aromatophore
arteriograph
arteriograph
noun
An instrument used in arteriography to measure the severity of arteriosclerosis
arteriopathy
arteriopathy
noun
(pathology) Any disease of the arteries.
arthrography
arthrography
noun
(dated, uncountable, medicine) The scientific description of joints
(medicine) An arthrogram
arthropathic
arthropathic
adj
(pathology) Relating to arthropathy.
arthroplasty
arthroplasty
noun
(surgery) The surgical repair of a joint, or creation of an artificial joint, such as a hip replacement.
arthropleura
arthropleure
arthropodous
arthropomata
arthropyosis
arthroscopes
arthroscopes
noun
plural of arthroscope
arthroscopic
arthroscopic
adj
(medicine) Of or pertaining to arthroscopy.
arthrospores
arthrospores
noun
plural of arthrospore
arthrosporic
arthrosporic
Adjective
Relating to arthrospores.
arthrotropic
arthrotropic
adj
(pathology) That is attracted to, and affects joints
artiphyllous
asomatophyte
asphyxiation
asphyxiation
noun
An acute lack of oxygen.
Death due to lack of oxygen.
astrographer
astrographic
astrographic
adj
astrometric
astrophysics
astrophysics
noun
The branch of astronomy or physics that deals with the physical properties of celestial bodies and with the interaction between matter and radiation in celestial bodies and in the space between them.
atherosperma
atmospherics
atmospherics
noun
radio interference caused by pulses of electromagnetic radiation in the atmosphere as the result of lightning and other events (both natural and man-made)