(analytical chemistry) The constant a in the Beer's law relation A = abc, where A is the absorbance, b the path length, and c the concentration of solution. Also known as absorptive power. Formerly known as absorbency index; absorption constant; extinction coefficient.
(thermodynamics) The fraction of radiation absorbed by a surface to the total radiation incident on the surface.
The quality of being absorptive; absorptiveness.
accompanyist
accompanyist
noun
Alternative spelling of accompanist
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.
achromatopsy
achromatopsy
noun
color blindness; inability to distinguish colors; daltonism, achromatopia
acidosteophyte
acidosteophyte
noun
(medicine) A sharp or needle-shaped osteophyte.
actinophrys
actinopterygious
actinoscopy
actinoscopy
noun
(medicine, archaic) Radiology; examination by means of an X-ray machine.
actinostereoscopy
adenohypersthenia
adenopharyngitis
adenotyphus
adenylpyrophosphate
adenylpyrophosphate
noun
Synonym of adenosine triphosphate
adiposity
adiposity
noun
Obesity; the state of being fat.
The condition of being adipose; adipose tissue.
adsorptively
adsorptively
adv
In an adsorptive manner; with a tendency toward or characteristic of adsorption.
aepyornithiformes
aerophysicist
aesthophysiology
aesthophysiology
noun
The science of sensation in relation to the actions of the nerves.
agriotypus
agrostography
agrostography
noun
The scientific description of grasses.
alloplasty
alloplasty
noun
(surgery) The grafting of an alloplast
allotypes
allotypes
noun
plural of allotype
allotypies
allotypies
noun
plural of allotypy
aminopolypeptidase
aminopolypeptidase
noun
(biochemistry) The enzyme cytosol alanyl aminopeptidase.
amphibolostylous
amphictyonies
amphictyonies
noun
plural of amphictyony
amphictyons
amphictyons
noun
plural of amphictyon
amphicyrtous
amphiprostylar
amphiprostylar
adj
amphiprostyle
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.
amphithyrons
ampollosity
ampullosity
ampullosity
noun
(rare, formal) turgidity of language; bombast
amygdalothripsis
amylopectins
amylopectins
noun
plural of amylopectin
amylophosphate
amyloplast
amyloplast
noun
(biology) A specialized leucoplast responsible for the storage of amylopectin through the polymerization of glucose.
amyloplastic
amyloplastic
adj
starch-forming; amylogenic
amyloplastid
amyloplasts
amyloplasts
noun
plural of amyloplast
anaeroplasty
anapterygotism
anapterygotous
anastrophy
anatomicophysiologic
anatomicophysiological
anatomicophysiological
adj
Relating to anatomy and physiology.
anatripsology
anatripsology
noun
(medicine) The study or application of friction or rubbing as a remedy.
anerythroplasia
anerythroplastic
angiolymphitis
angioplasty
angioplasty
noun
(surgery) The mechanical widening of a narrowed or totally obstructed blood vessel generally caused by atheroma.
angiostrophy
angiotripsy
angiotripsy
noun
hemostasis by means of an angiotribe
anisotropically
anisotropically
adv
in an anisotropic manner; in such a way as to depend upon direction
anisotropy
anisotropy
noun
The degree to which this property is exhibited.
The property of being directionally dependent.
anopisthographically
antehypophysis
antehypophysis
noun
(anatomy) The anterior lobe of the pituitary gland
anteroposteriorly
anteroposteriorly
adv
(biology) Along the anteroposterior axis
anthropomorphously
anthropomorphously
adv
In an anthropomorphous manner; in a manner resembling that of a human.
anthropophagously
anthropophagously
adv
In an anthropophagous manner.
anthropophysiography
anthropophysite
anthropopsychic
anthropopsychism
anthroposcopy
anthroposcopy
noun
A form of anthropology based upon visual observation of the physical characteristics of the human body.
anthroposociology
anthroposociology
noun
(dated, historical) The anthropological and sociological study of race as a means of establishing the superiority of certain peoples.
anthroposomatology
anthroposomatology
noun
(dated, rare) The sum of knowledge regarding the human body, comprehending anatomy, physiology, pathology, etc.
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.
antileprosy
antileprosy
adj
(medicine) Countering leprosy.
antioptimistically
antiphilosophically
antiphilosophy
antiphilosophy
noun
(philosophy) An antitheoretical metaphilosophy critical of a priori justification aiming to dissolve misconceptions that traditional philosophy makes.
antiproteolysis
antipsychotic
antipsychotic
adj
(pharmacology) Preventing or counteracting psychosis.
noun
(pharmacology) Any of a group of drugs used to treat psychosis.
antisophistry
antistaphylococcic
antistaphylococcic
adj
(medicine) Countering staphylococcic infection.
antistrophically
antistrophically
adv
With the use of antistrophe.
antitypous
antitypous
adj
(obsolete) resistant to blows; hard
antroscopy
antroscopy
noun
An antroscopic examination
antrotympanitis
aphoristically
aphoristically
adv
In an aphoristic manner.
Using or regarding aphorisms.
aphydrotropism
apocalypst
apocalypticism
apocalypticism
noun
(religion) A belief or doctrine based on apocalypse, especially which believes in an imminent end to the current world order.
apocalyptism
apocalyptism
noun
Apocalypticism.
apocalyptist
apocalyptist
noun
One who predicts an apocalypse.
apocryphalist
apocryphalist
noun
(Christianity) A member of the group who supported the inclusion of the Apocrypha in the Bible
apocynthions
apophyllites
apophyllites
noun
plural of apophyllite
apophysate
apophysate
adj
(anatomy) Possessing an apophysis
apophysitis
apophysitis
noun
(pathology) Inflammation of an apophysis, a bony tubercle.
aposematically
aposematically
adv
(ecology) In an aposematic manner.
apostacy
apostacy
noun
Archaic form of apostasy.
apostasy
apostasy
noun
Specifically, the renunciation of one's religion or faith.
The renunciation of a belief or set of beliefs.
apostatically
apostatically
adv
In an apostatic manner.
apostolically
apostolically
adv
In an apostolic way.
apostolicity
apostolicity
noun
(Christianity) The quality of being apostolic, notably of preserving authenticity within the mission and tradition of the Christian church as founded by Jesus Christ and his twelve original Apostles, through their representatives and successors in the papacy and episcopate.
apothecaryship
apothecaryship
noun
The state or period of working as an apothecary.
appendicocaecostomy
appendicostomy
appendicostomy
noun
(surgery) The creation of an opening into the vermiform appendix, typically via the navel
apposability
apposability
noun
The property of being apposable.
appositely
appositely
adv
In an apposite manner.
appositionally
appositionally
adv
In an appositional manner.
appositively
appositively
adv
In an appositive manner.
aprioristically
aprioristically
adv
A priori; in an aprioristic manner.
aptenodytes
apterygiformes
apterygotous
archaeopterygiformes
archiepiscopality
archiepiscopality
noun
(ecclesiastical) The rank or dignity of an archbishop; archiepiscopacy.
arctostaphylos
aristotype
aristotype
noun
(historical) A print made by such a process.
(historical) A printing process using paper coated with silver chloride in gelatin, or (later) any similar process using silver salts in either collodion or gelatin.
A high-symmetry crystallographic structure type that can be viewed as an idealized version of a lower-symmetry structure.
arsenopyrite
arsenopyrite
noun
(mineralogy) A silvery-grey ore of arsenic, a mixed arsenide and sulfide of iron, FeAsS.
arsenotherapy
arsenotherapy
noun
(medicine) The treatment of a disease with a compound of arsenic
arterioplasty
arterioplasty
noun
(surgery) reconstruction or repair of an artery
arteriosympathectomy
arthroempyesis
arthroendoscopy
arthrogryposis
arthrogryposis
noun
(countable, teratology) The permanent fixation of a joint in a contracted position.
(uncountable, teratology) A congenital disorder in which the joints are so fixed because of lack of muscle development.
arthroplasty
arthroplasty
noun
(surgery) The surgical repair of a joint, or creation of an artificial joint, such as a hip replacement.
arthropyosis
arthroscopy
arthroscopy
noun
the examination of the interior of a joint (such as the knee) using an arthroscope
artiphyllous
asomatophyte
asphyctous
asphyxiation
asphyxiation
noun
An acute lack of oxygen.
Death due to lack of oxygen.
asphyxiations
asphyxiations
noun
plural of asphyxiation
asphyxiator
asphyxiator
noun
One who or that which asphyxiates.
aspiratory
aspiratory
adj
pertaining to aspiration
asterophyllite
asterophyllite
noun
(paleontology) A fossil plant from the coal formations of Europe and America, now regarded as the branchlets and foliage of calamites.
asterophyllites
asterophyllites
noun
plural of asterophyllite
asterospondyli
asterospondylic
asterospondylous
astigmatoscopy
astrography
astrography
noun
The art of describing or delineating the stars; a description or mapping of the heavens.
astrophotography
astrophotography
noun
(astronomy, photography) A specialized kind of photography, composed of concepts and techniques that pertain to the production of photographic images of astronomical objects.
astrophotometry
astrophotometry
noun
The determination of the brightness of stars and other heavenly bodies.
astrophyllite
astrophyllite
noun
(mineralogy) A rare, brown to golden-yellow hydrous potassium iron titanium silicate mineral, visually identical to kupletskite.
astrophysical
astrophysical
adj
Of or pertaining to astrophysics.
astrophysicist
astrophysicist
noun
One who studies astrophysics.
astrophysicists
astrophysicists
noun
plural of astrophysicist
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.
astrophyton
astrophyton
noun
The giant basket star, an early Mesozoic invertebrate.
astroscopy
astroscopy
noun
(obsolete) observation of the stars
astylospongia
asymmetrocarpous
asymptomatic
asymptomatic
adj
(pathology) Not exhibiting any symptoms of disease, as for example in subclinical cases.
noun
A patient who exhibits no symptoms of disease.
asymptomatically
asymptomatically
adv
Without exhibiting any symptom of disease.
asymptote
asymptote
noun
(by extension, figuratively) Anything which comes near to but never meets something else.
(mathematical analysis) A straight line which a curve approaches arbitrarily closely as it goes to infinity. The limit of the curve; its tangent "at infinity".
verb
(mathematical analysis) To approach, but never quite touch, a straight line, as something goes to infinity.
asymptotes
asymptotes
noun
plural of asymptote
asymptotic
asymptotic
adj
(mathematical analysis) Coming into consideration as a variable tends to a limit, usually infinity.
(mathematics) Pertaining to values or properties approached at infinity.
asymptotical
asymptotical
adj
asymptotic
asymptotically
asymptotically
adv
(mathematical analysis) In an asymptotical manner, in the way of an asymptote, toward an asymptote.