(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
achromatophil
achromatophil
noun
(cytology) A cell (or tissue) that is not readily coloured by stains
achromatopsia
achromatopsia
noun
achromatopia
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
acrochordidae
acrochordinae
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.
admonishingly
admonishingly
adv
In an admonishing manner.
admonishments
admonishments
noun
plural of admonishment
adrenotrophin
aeolharmonica
aeolharmonica
noun
(music, obsolete) A form of harmonium.
aerographical
aerographical
adj
Synonym of aerographic
aerolithology
aerolithology
noun
The study of meteorites
aeromaechanic
aeromechanics
aeromechanics
noun
(physics) The branch of mechanics that deals with the motion of gases; it comprises aerostatics and aerodynamics
plural of aeromechanic
aerophilately
aerophilately
noun
(philately) The study or collection of airmail stamps, cancellations, etc.
aerophysicist
aerotechnical
aerotechnical
adj
Relating to the technical aspects of flight.
aglyphodontia
aimworthiness
aimworthiness
noun
The quality of having good aim (with a weapon).
airworthiness
airworthiness
noun
The state of being airworthy.
albuminorrhea
alcoholically
alcoholically
adv
In an alcoholic manner.
In the manner of an alcoholic.
alcoholimeter
alcoholizable
alcoholizable
adj
Able to be alcoholized.
alcoholmetric
alcoholomania
alcoholomania
noun
(dated) alcohol addiction
alethiologist
alethopteroid
alisphenoidal
alisphenoidal
adj
Alternative form of alisphenoid
allelomorphic
allelomorphic
adj
Of or pertaining to an allelomorph
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
allophanamide
allophanamide
noun
(organic chemistry) biuret
allorrhythmic
allothigenous
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.
aluminography
aluminography
noun
The art or process of producing, and printing from, aluminium plates, after the manner of ordinary lithography.
aluminothermy
aluminothermy
noun
(inorganic chemistry) the production of a metal from its oxide by heating it with aluminium
amazonomachia
amethodically
amethodically
adv
In an amethodical manner.
amidoaldehyde
amidothiazole
aminodiphenyl
aminoethionic
aminophylline
aminophylline
noun
(pharmacology) A bronchodilator comprising theophylline and ethylenediamine in a 2:1 ratio.
aminothiophen
amphibologies
amphibologies
noun
plural of amphibology
amphibologism
amphictyonian
amphictyonies
amphictyonies
noun
plural of amphictyony
amphicyonidae
amphidiploidy
amphidiploidy
noun
The property of being amphidiploid.
amphigenously
amphigenously
adv
In an amphigenous manner.
amphikaryotic
amphioxididae
amphipodiform
amphipodiform
adj
Resembling an amphipod
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.
amphisbaenoid
amphisbaenoid
adj
(zoology) Resembling or relating to the lizards of the genus Amphisbaena.
amphisbaenous
amphispermous
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.)
amphodiplopia
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.
anaphorically
anaphorically
adv
In an anaphoric manner.
anaphrodisiac
anaphrodisiac
adj
Antaphrodisiac (capable of reducing the sex drive).
noun
An antaphrodisiac (substance which reduces the sex drive).
anaphroditous
anaphylactoid
anaphylactoid
adj
Of, pertaining to, or resembling anaphylaxis
anaphylatoxin
anaphylatoxin
noun
(biochemistry) Any of several toxic substances that trigger anaphylaxis
anchitherioid
androsphinges
androsphinxes
androsphinxes
noun
plural of androsphinx
anemobiagraph
anepigraphous
aneroidograph
angioasthenia
angiocholitis
angiocholitis
noun
Synonym of cholangitis
angiolymphoma
angiothlipsis
anhydrization
anhydromyelia
anisognathism
anisognathous
anisognathous
adj
(pathology) Having different sizes to the upper and lower jaws
anisophyllous
anisophyllous
adj
(botany) Having unequal leaves.
anisostichous
ankylocheilia
ankylorrhinia
annihilations
annihilations
noun
plural of annihilation
anomorhomboid
anoplotherium
anoplotherium
noun
(zoology) Any member of the extinct ungulate genus Anoplotherium.
anoplotheroid
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
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
anthracomarti
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
anthropolitic
anthropologic
anthropologic
adj
anthropological; pertaining to anthropology; belonging to the nature of man.
anthropophagi
anthropophagi
noun
plural of anthropophagus
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.