(Canada, US) A white crystalline compound used in medicine as an anodyne to relieve pain and reduce fever.
acetomorphine
acetomorphine
noun
heroin
acetothienone
acetothienone
noun
(organic chemistry) The ketone 1-thiophen-2-ylethanone
acetylcholine
acetylcholine
noun
(biochemistry) A neurotransmitter in humans and other animals. It is an ester of acetic acid and choline with chemical formula CH₃COOCH₂CH₂N⁺(CH₃)₃.
achromaticity
achromaticity
noun
(optics) The state or quality of being achromatic.
achromatising
achromatising
verb
present participle of achromatise
achromatizing
achromatizing
verb
present participle of achromatize
achromatocyte
achromatocyte
noun
achromacyte
achromatophil
achromatophil
noun
(cytology) A cell (or tissue) that is not readily coloured by stains
achromatopsia
achromatopsia
noun
achromatopia
achromobacter
achroodextrin
achroodextrin
noun
Alternative form of achrodextrin
acroaesthesia
acroaesthesia
noun
(pathology) hyperaesthesia, especially that affects the hands or feet
acroarthritis
acroarthritis
noun
(pathology) arthritis in the joints of the hands or feet
acropathology
acropathology
noun
(pathology, rare) The study of diseases of the limbs or the extremities.
acrothoracica
actiniochrome
actiniochrome
noun
A red to violet pigment present in some Actinozoa
actiniomorpha
actinographic
actinomorphic
actinomorphic
adj
(botany, of a flower) Having its petals arranged in a radially symmetric fashion.
actinophorous
actinophorous
adj
(biology) Having straight projecting spines
actinotherapy
actinotherapy
noun
(medicine) The treatment of disease, especially skin disease, by exposure to ultraviolet light; radiotherapy.
adiaphoristic
adiaphoristic
adj
(theology) Theologically indifferent.
admonishments
admonishments
noun
plural of admonishment
adrenotrophin
aerolithology
aerolithology
noun
The study of meteorites
aerophilately
aerophilately
noun
(philately) The study or collection of airmail stamps, cancellations, etc.
aerophysicist
aerotechnical
aerotechnical
adj
Relating to the technical aspects of flight.
afterthoughts
afterthoughts
noun
plural of afterthought
aglyphodontia
agrostography
agrostography
noun
The scientific description of grasses.
aimworthiness
aimworthiness
noun
The quality of having good aim (with a weapon).
airworthiness
airworthiness
noun
The state of being airworthy.
alcoholimeter
alcoholmetric
alcoholometer
alcoholometer
noun
A specialized form of hydrometer used to measure the amount of alcohol in a liquid (such as beer).
alcoholometry
alcoholometry
noun
The measurement of the concentration of alcohol in a liquid, especially in the blood
alectoromachy
alectoromachy
noun
(rare) cockfighting
alectryomachy
alectryomachy
noun
Cockfighting
alethiologist
alethopteroid
allhallowtide
allhallowtide
Proper noun
The time at or near All Hallows'.
alligatorfish
alligatorfish
noun
Aspidophoroides monopterygius, a bottom-dwelling marine fish in the family Agonidae, which is found along the coasts of the northwestern Atlantic.
allochromatic
allochromatic
adj
(chemistry, physics, by extension) Having properties that are due to the presence of impurities, or to radiation damage
(mineralogy, especially of a gemstone) Having a colour that is due to the presence of impurities
allochthonous
allochthonous
adj
(geology) Buried or found in a place remote from the site of formation.
Originating in a place other than where it is found.
alloeostropha
allorrhythmic
allothigenous
allothogenous
allotriophagy
allotriophagy
noun
(rare) Having food cravings that are different from the expected or the norm
allylthiourea
allylthiourea
noun
A particular organic carcinogen.
alphabetiform
alphabetiform
adj
Having the form of a developed alphabet or its letters, as opposed to crude pictographic symbols.
alphabetology
aluminothermy
aluminothermy
noun
(inorganic chemistry) the production of a metal from its oxide by heating it with aluminium
alymphopotent
amethodically
amethodically
adv
In an amethodical manner.
amidothiazole
aminoethionic
aminothiophen
ampelotherapy
ampelotherapy
noun
(medicine) The therapeutic use of grapes.
ampherotokous
amphictyonian
amphictyonies
amphictyonies
noun
plural of amphictyony
amphikaryotic
amphiprostyle
amphiprostyle
adj
(architecture, chiefly historical, of a temple or edifice) Having columns at either end but not along the sides.
noun
(architecture, historical) An amphiprostyle temple or edifice.
amphistomatic
amphistomatic
adj
(botany, of a leaf) Having stomata on both sides
amphitrichous
amphitrichous
adj
(biology) (of bacteria) Having a single flagellum on each of two opposite ends. (Only one flagellum operates at a time, allowing the bacterium to reverse course rapidly by switching which flagellum is active.)
amygdalopathy
anachronistic
anachronistic
adj
(of a person) Having opinions from the past; preferring things or values of the past; behind the times; overly conservative.
Erroneous in date; containing an anachronism; in a wrong time; not applicable to or not appropriate for the time.
anaphroditous
anaphylactoid
anaphylactoid
adj
Of, pertaining to, or resembling anaphylaxis
anaphylatoxin
anaphylatoxin
noun
(biochemistry) Any of several toxic substances that trigger anaphylaxis
anaptomorphus
anchitherioid
angioasthenia
angiocholitis
angiocholitis
noun
Synonym of cholangitis
angiothlipsis
anhydrization
anisognathism
anisognathous
anisognathous
adj
(pathology) Having different sizes to the upper and lower jaws
anisostichous
annihilations
annihilations
noun
plural of annihilation
anomalotrophy
anoplotherium
anoplotherium
noun
(zoology) Any member of the extinct ungulate genus Anoplotherium.
anoplotheroid
anorthography
antaphroditic
antaphroditic
adj
(obsolete, medicine) antaphrodisiac
(obsolete, medicine) antisyphilitic
anthecologist
anthecologist
noun
One who studies anthecology.
antheriferous
antheriferous
adj
(botany) Producing anthers, as plants.
(botany) Supporting anthers, as a part of a flower
antherogenous
antherozoidal
anthochlorine
anthocyanidin
anthocyanidin
noun
(organic chemistry) An aglycone of an anthocyanin.
anthologising
anthologising
verb
present participle of anthologise
anthologizing
anthologizing
verb
present participle of anthologize
anthophoridae
anthophyllite
anthophyllite
noun
(mineralogy) A dark brown amphibole mineral; a mixed silicate of iron and magnesium.
anthosiderite
anthracitious
anthracomancy
anthracomancy
noun
Divination by studying burning coals
anthracomarti
anthracometer
anthracometer
noun
An instrument for measuring the amount of carbonic acid in a mixture.
anthracothere
anthracothere
noun
(paleontology) Any of several artiodactyl ungulates, of the extinct family Anthracotheriidae, related to the hippopotamus.
anthraphenone
anthraquinone
anthraquinone
noun
(organic chemistry) A tricyclic quinone, derived from anthracene.
(organic chemistry) Any derivative of this parent compound, mostly natural pigments or synthetic dyes.
anthropogenic
anthropogenic
adj
Having its origin in the influence of human activity on nature.
Pertaining to the origin of man, or anthropogeny.
anthropoidean
anthropolater
anthropolater
noun
A worshipper of a human or humans.
anthropolatry
anthropolatry
noun
The worship of a human or humans.
anthropolitic
anthropologic
anthropologic
adj
anthropological; pertaining to anthropology; belonging to the nature of man.
anthropomancy
anthropomancy
noun
divination by the interpretation of human sacrificial entrails.
anthropometer
anthropometer
noun
A device used in anthropometry to measure parts of the body.
anthropometry
anthropometry
noun
The science of measuring the human body to ascertain the ranges and averages of dimensions of the human form, for various purposes including physical anthropology, epidemiology, the ergonomics of industrial design, and so on.
anthropomorph
anthropomorph
noun
A figure in ancient art resembling a human being.
An anthropomorphic character.
anthropopathy
anthropopathy
noun
The attribution of human emotions to a god.
anthropophagi
anthropophagi
noun
plural of anthropophagus
anthropophagy
anthropophagy
noun
The eating of human flesh; cannibalism.
anthroposcopy
anthroposcopy
noun
A form of anthropology based upon visual observation of the physical characteristics of the human body.
anthroposophy
anthroposophy
noun
(archaic, as used before Rudolf Steiner) Knowledge or understanding of human nature.
A philosophy founded in the early 20th century by the esotericist Rudolf Steiner (also capitalized as Anthroposophy), postulating the existence of an objective, intellectually comprehensible spiritual world accessible to direct experience through inner development.
anthropotoxin
antialcoholic
antichlorotic
antichlorotic
adj
Countering chlorosis.
antichronical
antichronical
adj
Deviating from the proper order of time.
antiharmonist
antihemolysin
antihemolytic
antihemolytic
adj
Inhibiting hemolysis
antihypophora
antilogarithm
antilogarithm
noun
(mathematics) The number of which a given number is the logarithm (to a given base).
antimonarchal
antimonarchic
antimonarchic
adj
(politics) Opposing monarchy.
antiochianism
antiorthodoxy
antipathogene
antiphonaries
antiphonaries
noun
plural of antiphonary
antiplethoric
antiplethoric
adj
(medicine) Countering plethora of the blood.
antipsychotic
antipsychotic
adj
(pharmacology) Preventing or counteracting psychosis.
noun
(pharmacology) Any of a group of drugs used to treat psychosis.
antisophistic
antisophistry
antistrophize
antistrophize
verb
(transitive, poetry) To turn into antistrophe.
aortographies
aortographies
noun
plural of aortography
aphanipterous
aphanipterous
adj
(zoology) Of or pertaining to the Aphaniptera, a former classification of insects.
apheliotropic
apheliotropic
adj
Turning away from the sun; said of leaves, etc.
aphilanthropy
aphilanthropy
noun
Lack of love for humankind.
aphototropism
aphrosiderite
aphydrotropic
apochromatism
apochromatism
noun
(optics) Freedom from both chromatic aberration and spherical aberration.
apocryphalist
apocryphalist
noun
(Christianity) A member of the group who supported the inclusion of the Apocrypha in the Bible
apophlegmatic
apophlegmatic
adj
(medicine) Designed to facilitate discharges of phlegm or mucus from the mouth or nostrils.