(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
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.
aerophysicist
aerotechnical
aerotechnical
adj
Relating to the technical aspects of flight.
alcoholimeter
alcoholmetric
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
allorrhythmic
amethodically
amethodically
adv
In an amethodical manner.
aminoethionic
amphictyonian
amphictyonies
amphictyonies
noun
plural of amphictyony
amphikaryotic
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.)
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.
anaphylactoid
anaphylactoid
adj
Of, pertaining to, or resembling anaphylaxis
anchitherioid
angiocholitis
angiocholitis
noun
Synonym of cholangitis
anisostichous
antaphroditic
antaphroditic
adj
(obsolete, medicine) antaphrodisiac
(obsolete, medicine) antisyphilitic
anthecologist
anthecologist
noun
One who studies anthecology.
anthochlorine
anthocyanidin
anthocyanidin
noun
(organic chemistry) An aglycone of an anthocyanin.
anthracitious
anthracomarti
anthropogenic
anthropogenic
adj
Having its origin in the influence of human activity on nature.
Pertaining to the origin of man, or anthropogeny.
anthropolitic
anthropologic
anthropologic
adj
anthropological; pertaining to anthropology; belonging to the nature of man.
antialcoholic
antichlorotic
antichlorotic
adj
Countering chlorosis.
antichronical
antichronical
adj
Deviating from the proper order of time.
antihemolytic
antihemolytic
adj
Inhibiting hemolysis
antimonarchal
antimonarchic
antimonarchic
adj
(politics) Opposing monarchy.
antiochianism
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
apheliotropic
apheliotropic
adj
Turning away from the sun; said of leaves, etc.
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.
noun
(medicine) Any apophlegmatic medicine.
arachnoiditis
arachnoiditis
noun
(pathology) A neuropathic disease caused by the inflammation of the arachnoid, one of the membranes that surround and protect the nerves of the spinal cord.
arachnologist
arachnologist
noun
One who is engaged in arachnology, the study of arachnids.
archaeolithic
archaeolithic
adj
(archaeology) Of or relating to the earliest Stone Age; applied to a prehistoric period preceding the Paleolithic.
archaeologist
archaeologist
noun
Someone who studies or practises archaeology.
archaeopteris
archdogmatist
archegoniatae
archhypocrite
archiblastoma
archigonocyte
architectonic
architectonic
adj
(figuratively) Foundational, fundamental; supporting the structure of a morality, society, or culture.
Relating to or characteristic of architecture, design and construction.
Relating to the scientific systematization of the totality of knowledge.
noun
The design, structure, or architecture of something.
archostenosis
aristolochine
arithmocratic
arithmocratic
adj
Relating to arithmocracy.
arthrectomies
arthrectomies
noun
plural of arthrectomy
arthrocleisis
arthroplastic
arthroplastic
adj
Relating to arthroplasty
ascothoracica
aspidochirota
associateship
associateship
noun
The rank or period of being an associate.
asthenobiotic
astrophysical
astrophysical
adj
Of or pertaining to astrophysics.
atelorachidia
atmospherical
atmospherical
adj
atmospheric
authenticator
authenticator
noun
(film, television) A person employed to check the accuracy and realism of a script.
A feature that shows something to be authentic.
One who authenticates.
autocatharsis
autocephality
autocephality
noun
(Christianity) The right of autonomy for a church; specifically, the right to resolve all internal problems on its own authority and to appoint its own bishops, including the head of the church, without any obligatory expression of dependence on another church.
autochthonism
autochthonism
noun
The state of being autochthonal.
autoecholalia
autoecholalia
noun
A form of echolalia in which a person repeats his own words
autographical
autographical
adj
Relating to an autograph, or one's own handwriting.
Relating to, or used in, the process of autography.
autohemolytic
automechanism
autopsychosis
autoschediasm
autoschediasm
noun
Anything done with little forethought or preparation.
autoschediaze
autoschediaze
verb
To act in an autoschediastic manner
bactericholia
bacteriophage
bacteriophage
noun
(microbiology, virology) A virus that specifically infects bacteria.
bacteriophagy
bacteriophagy
noun
The feeding on bacteria.
bactetiophage
basichromatic
basichromatin
basichromatin
noun
The basophil portion of the chromatin of a cell.
bathysophical
batrachotoxin
batrachotoxin
noun
(neurotoxicology, uncountable) An extremely neurotoxic and cardiotoxic steroidal alkaloid found in poison dart frogs.
(toxicology, countable) Any one of a group of extremely neurotoxic and cardiotoxic steroidal alkaloids found in poison dart frogs, Melyridae beetles, and certain birds.
behavioristic
behavioristic
adj
Of or pertaining to behaviorism, especially B. F. Skinner’s school of radical behaviorism.
benthopelagic
benthopelagic
adj
Both benthic and pelagic.
noun
Any such organism.
bibliothecary
bibliothecary
noun
(now rare) A librarian.
bikhaconitine
bikhaconitine
noun
(organic chemistry) An alkaloid found in bikh (Aconitum spicatum).
biophysicists
biophysicists
noun
plural of biophysicist
biotechnology
biotechnology
noun
The application of the principles and practices of engineering and technology to the life sciences.
The use of living organisms (especially microorganisms) in industrial, agricultural, medical and other technological applications.
blastospheric
blastospheric
adj
(embryology) blastular
bostrychoidal
brachiopodist
brachydomatic
brachydontism
branchiostege
branchiostege
noun
(anatomy) The branchiostegal membrane.
branchiostoma
branchiostoma
noun
the lancelet (Amphioxus lanceolatus)
bronchiarctia
bronchiolitis
bronchiolitis
noun
(pathology) Inflammation of the bronchioles; especially common in young children.
bronchotomist
cacophthalmia
cardiatrophia
cardiohepatic
cardiohepatic
adj
Relating to the heart and the kidneys
cardiotherapy
cardiotherapy
noun
The treatment of heart disease
cardiotrophia
cartographies
cartographies
noun
plural of cartography
catachthonian
catachthonian
adj
(rare) of or relating to the underworld
catastrophism
catastrophism
noun
(biology) The doctrine that, in addition to the more gradual effects of evolution, huge catastrophic events shape the earth's flora and fauna by causing major die-offs which make way for the emergence of new organisms.
(geology) The doctrine that sudden catastrophes, rather than continuous change, cause the main features of the Earth's crust.
The practice or tendency of catastrophizing, regarding bad things as catastrophic.
catastrophist
catastrophist
adj
Of, having, or being a theory that explains a situation by positing one or more catastrophic events, as opposed to gradual changes.
noun
A catastrophist person: a person who subscribes to a catastrophist theory.
catchpoleship
catechisation
catechization
catechization
noun
The act of catechizing.
catecholamine
catecholamine
noun
(biochemistry) Any of a class of aromatic amines derived from pyrocatechol that are hormones produced by the adrenal gland.
catharization
catharization
noun
The process of catharizing.
cathartolinum
cathetometric
catholicising
catholicising
verb
present participle of catholicise
catholicizing
catholicizing
verb
present participle of catholicize
catocathartic
cauthornville
cephalization
cephalization
noun
(biology) An evolutionary trend in which the neural and sense organs become centralized at one end (the head) of an animal.
(medicine) The redistribution of blood flow from the base of the lung towards the upper lobe vessels as a consequence of pulmonary venous hypertension, usually described on a chest radiograph.
cephalometric
cephalometric
adj
Relating to cephalometrics
cephalomyitis
cephalotripsy
cephalotripsy
noun
(medicine) The act or operation of crushing the head of a foetus in the womb in order to effect delivery.
cercopithecid
cercopithecid
noun
(zoology) Any species of the family Cercopithecidae, the Old World monkeys.
cercopithecus
chaetosomidae
chalcophanite
chalcophanite
noun
(mineralogy) A trigonal-rhombohedral mineral containing hydrogen, iron, manganese, oxygen, and zinc.
chalcostibite
chalcostibite
noun
(mineralogy) A black orthorhombic mineral composed of copper antimony disulfide