(optics, physics) Absorbed radiation and incident radiation in a ratio format; a measurement that shows how well a surface absorbs radiation.
absorptances
absorptances
noun
plural of absorptance
absorptiveness
absorptiveness
noun
The quality of being absorptive; absorptive power.
acanthopore
acanthopore
noun
(paleontology) A tubular spine in some bryozoans.
acanthopteran
acanthopteran
noun
Alternative form of acanthopterygian
acanthopteri
acanthopteri
noun
(zoology) A group of teleostean fishes having spiny fins. See Acanthopterygii.
acanthopterous
acanthopterous
adj
(zoology) Acanthopterygious
(zoology) Spiny-winged.
acanthopterygian
acanthopterygian
adj
(zoology) Similar to an acanthopterygian.
noun
(zoology) Any fish of the superorder Acanthopterygii.
acanthopterygii
accipitrine
accipitrine
adj
(ornithology) Like or belonging to the Accipitres; raptorial; hawklike.
noun
A hawk or a hawk-like bird.
accipitrines
accipitrines
noun
plural of accipitrine
acetomorphin
acetomorphine
acetomorphine
noun
heroin
acetopiperone
acetopyrin
acetopyrine
acetopyrine
noun
(medicine) An acetylsalicylate of antipyrine
acetylphenylhydrazine
acetyltropeine
acrophonetic
acrophonetic
adj
Of or pertaining to acrophony.
acrotrophoneurosis
actinophore
actinophore
noun
(biology) A cartilaginous spine that supports the fin rays of fish
actinopteran
actinopteri
actinopterous
actinopterygian
actinopterygian
adj
Of the nature of fish of the class Actinopterygii.
noun
(zoology) Any of the ray-finned fish of the taxonomic class Actinopterygii.
actinopterygii
actinopterygious
actinosphaerium
actinostereoscopy
actinotherapeutic
actinotherapeutic
adj
Relating to actinotherapy.
actinotherapeutics
actinotherapeutics
noun
actinotherapy
actinotherapy
actinotherapy
noun
(medicine) The treatment of disease, especially skin disease, by exposure to ultraviolet light; radiotherapy.
acupuncture
acupuncture
noun
The insertion of needles into the (living) tissue of the body, especially for purposes of pain relief.
verb
(transitive) To treat with acupuncture.
acupunctured
acupunctured
verb
simple past tense and past participle of acupuncture
acupunctures
acupunctures
noun
plural of acupuncture
verb
Third-person singular simple present indicative form of acupuncture
adenemphractic
adenohypersthenia
adenopharyngitis
adenylpyrophosphate
adenylpyrophosphate
noun
Synonym of adenosine triphosphate
adiponitrile
adiponitrile
noun
(organic chemistry) The nitrile derived from adipic acid
adoperation
adrenocorticotrophic
adrenocorticotrophic
adj
Alternative form of adrenocorticotropic
adrenocorticotrophin
adrenocorticotrophin
noun
(biochemistry) adrenocorticotropic hormone
adrenocorticotropic
adrenocorticotropic
adj
That stimulates the adrenal cortex.
adrenotrophin
adrenotropic
adrenotropic
adj
That stimulates the adrenal glands or adrenal cortex
adsorptiveness
adsorptiveness
noun
The property of being adsorptive, of tending toward or being characterized by adsorption.
adventureship
aepyornithidae
aepyornithiformes
aeroperitoneum
aeroperitonia
aeroplanist
aeroplanist
noun
(archaic) an aeroplane pilot
aeroplankton
aeroplankton
noun
The tiny lifeforms that float and drift in the air, carried by the current of the wind.
afterimpression
afterimpression
noun
Alternative spelling of after-impression
afterpain
afterpain
noun
(pathology, often in the plural) pain of uterine contractions experienced after childbirth (especially after passage of the placenta)
afterpains
afterpains
noun
plural of afterpain
afterplanting
afterpotential
afterpotential
noun
A small, transitory electrical potential that follows, and is dependent upon the main potential produced when a nerve is stimulated; seen as a small positive or negative spike on an oscillograph output.
afterripening
afterspring
aggroupment
aggroupment
noun
Arrangement in a group or in groups; grouping.
alimentotherapy
alipterion
allenport
alpenstocker
alpenstocker
noun
A mountain-climber, especially one that uses an alpenstock.
alpestrian
alpestrine
alpestrine
adj
Synonym of subalpine
alphabetarian
alphabetarian
noun
A novice or ignoramus.
One who is learning the alphabet; an abecedarian.
alternipetalous
alternipinnate
alternisepalous
ambisporangiate
aminopterin
aminopterin
noun
(pharmacology) A 4-amino analog of folic acid used as a chemotherapy drug.
aminopterins
aminopterins
noun
plural of aminopterin
amitriptyline
amitriptyline
noun
(pharmacology) An antidepressant drug; a tablet containing this drug.
amphicentric
amphicreatinine
amphisporangiate
amphitriaene
amphotericin
amphotericin
noun
(biochemistry) Any of a group of amphoteric antibiotic and antifungal agents derived from Streptomyces bacteria.
anacamptometer
anaemotropy
anaerophyte
anaerophyte
noun
Any plant that does not require a direct supply of air
anaeroplastic
anaeroplasty
anamorphote
anapeiratic
anapeiratic
adj
Caused by prolonged exercise of a muscle.
anaplerotic
anaplerotic
adj
(biochemistry, of a reaction) Forming intermediates of a metabolic pathway (eg. the tricarboxylic acid cycle).
(medicine, dated) Filling up; promoting granulation of wounds or ulcers.
noun
A remedy which promotes such granulation.
anapnometer
anapterygota
anapterygote
anapterygotism
anapterygotous
anaptomorphidae
anastrophe
anastrophe
noun
(rhetoric) Unusual word order, often involving an inversion of the usual pattern of the sentence.
anastrophes
anastrophes
noun
plural of anastrophe
anatreptic
anatreptic
adj
rebutting; overthrowing; defeating; applied to Plato's refutative dialogues.
anderstorp
androgametophore
andropetalar
andropetalous
anemometrograph
anemometrograph
noun
(archaic) An anemograph.
anemometrographic
anemometrographically
anemotropic
anemotropic
adj
Exhibiting or relating to anemotropism.
anemotropism
anemotropism
noun
(botany) The orientation of plants in response to the direction of the wind.
anencephalotrophia
anerythroplasia
anerythroplastic
angiohypertonia
angiospermatous
angiospermatous
adj
Alternative form of angiospermous
anisometrope
anisometropia
anisometropia
noun
(ophthalmology) A condition in which the two eyes of an individual have different refractive power.
anisometropic
anisometropic
adj
Relating to anisometropia
anisoptera
anisopteran
anisopteran
noun
Any dragonfly of the infraorder Anisoptera
anisopterous
anisotrope
anisotrope
adj
(dated) anisotropic
anisotropies
anisotropies
noun
plural of anisotropy
anomalopteryx
anoplonemertean
anoplonemertini
anoplothere
anoplotheriidae
anoplotherioid
anoplotherium
anoplotherium
noun
(zoology) Any member of the extinct ungulate genus Anoplotherium.
anoplotheroid
anorthophyre
anorthoscope
anorthoscope
noun
An optical device (often a toy) used to produce a form of anamorphosis or to view distorted figures
anteopercle
anteoperculum
antepartum
antepartum
adj
Describing the period before childbirth; antenatal
antepatriarchal
antepectoral
antepectoral
adj
(anatomy) Of the feet of insects: fixed in the forepart of the prosternum or prothorax.
antepirrhema
anteporch
anteport
anteport
noun
An outer port, gate, or door.
anteportico
anteportico
noun
An outer porch or vestibule.
anteporticoes
anteporticos
anteprandial
anteprandial
adj
Before a meal, especially before dinner.
antepredicament
antepredicament
noun
(logic) A prerequisite to a clear understanding of the predicaments and categories, such as definitions of common terms.