(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
accompanier
accompanier
noun
Someone or something that accompanies.
acetomorphin
acetomorphine
acetomorphine
noun
heroin
acetopiperone
acetopyrin
acetopyrine
acetopyrine
noun
(medicine) An acetylsalicylate of antipyrine
acetyltropeine
achaenocarp
achaenocarp
noun
Any dry indehiscent fruit.
achenocarp
acipenseroid
acipenseroid
noun
Synonym of chondrostean
acipenseroidei
acopyrine
acrophonetic
acrophonetic
adj
Of or pertaining to acrophony.
acrophonies
acrophonies
noun
plural of 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.
adenographer
adenographic
adenographic
adj
Pertaining to adenography.
adenographical
adenography
adenography
noun
(anatomy) The division of anatomy describing the glands
adenohypersthenia
adenopharyngeal
adenopharyngitis
adenophora
adenophore
adenophoreus
adenophorous
adenophorous
adj
(botany) Producing glands.
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
adrianople
adsorptiveness
adsorptiveness
noun
The property of being adsorptive, of tending toward or being characterized by adsorption.
aepyornis
aepyornises
aepyornithidae
aepyornithiformes
aerohydroplane
aeroperitoneum
aeroperitonia
aerophane
aerophane
noun
A thin fabric resembling crape
aerophone
aerophone
noun
(dated) A form of combined speaking trumpet and ear trumpet.
(dated) An instrument for greatly intensifying speech, consisting of a phonograph diaphragm arranged so that its action opens and closes valves, producing synchronous air blasts sufficient to operate a larger diaphragm with greater amplitude of vibration.
Any musical instrument which produces sound primarily by causing a body of air to vibrate, without the use of strings or membranes, and without the vibration of the instrument itself adding considerably to the sound.
aeroplane
aeroplane
noun
(aeronautics, archaic) An airfoil.
A powered heavier-than-air aircraft with fixed wings.
Any of various nymphalid butterflies, of various genera, having a slow gliding flight. Also called planes.
verb
(intransitive) To fly in an aeroplane.
(transitive) To transport by aeroplane.
aeroplaner
aeroplaner
noun
(archaic) An aeroplane pilot.
aeroplanes
aeroplanes
noun
plural of aeroplane
verb
Third-person singular simple present indicative form of aeroplane
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.
aerosporin
afterimpression
afterimpression
noun
Alternative spelling of after-impression
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.
aggroupment
aggroupment
noun
Arrangement in a group or in groups; grouping.
agrypnode
albopruinose
aleksandropol
alexandropolis
alexandroupolis
alexipharmacon
alexipharmacon
noun
An antidote to a poison.
alimentotherapy
alipterion
allenport
almonership
almonership
noun
The rank or office of an almoner.
alpenhorn
alpenhorn
noun
Alternative spelling of alphorn
alpenhorns
alpenhorns
noun
plural of alpenhorn
alpenstocker
alpenstocker
noun
A mountain-climber, especially one that uses an alpenstock.
alternipetalous
alternisepalous
ambisporangiate
amidopyrine
amidopyrine
noun
(medicine) Synonym of aminophenazone
aminopherase
aminopterin
aminopterin
noun
(pharmacology) A 4-amino analog of folic acid used as a chemotherapy drug.
aminopterins
aminopterins
noun
plural of aminopterin
aminopurine
aminopurine
noun
(organic chemistry) Any amino derivative of a purine
aminopyrine
aminopyrine
noun
aminophenazone
aminopyrines
aminopyrines
noun
plural of aminopyrine
amorphousness
amorphousness
noun
The state or quality of being amorphous.
ampelograpny
amphicarpogenous
amphineurous
amphisporangiate
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
anamorphoscope
anamorphoscope
noun
A mirrored device which gives a correct image of an anamorphosis.
anamorphose
anamorphose
verb
(transitive) To distort (an image) by anamorphosis.
anamorphoses
anamorphoses
noun
plural of anamorphosis
verb
Third-person singular simple present indicative form of anamorphose
anamorphote
anapleroses
anapleroses
noun
plural of anaplerosis
anaplerosis
anaplerosis
noun
(biochemistry) An intermediate enzyme reaction that replaces a depleted vital compound.
The replenishment of a deficiency, or refilling of the space left by a destroyed part.
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
anchorpeople
anchorperson
anchorperson
noun
The primary reporter on a television news broadcast.
anderstorp
androcephalous
androcephalous
adj
Having a human head (upon an animal's body), like the Egyptian sphinx.
androcephalum
androgametophore
andrographolide
andrographolide
noun
(organic chemistry) A bitter labdane diterpenoid that is the main bioactive component of the medicinal plant Andrographis paniculata, effective against certain cancers
androlepsia
androlepsy
andropetalar
andropetalous
androphore
androphore
noun
(botany) A support or column on which stamens are raised
(zoology) The part which, in some Siphonophorae, bears the male gonophores.
androsphinges
androsphinxes
androsphinxes
noun
plural of androsphinx
androspore
androspore
noun
(biology) A spore with male functions, in some algae.
anemobiagraph
anemograph
anemograph
noun
(obsolete or historical) An anemometer that makes a graphical recording.
anemographic
anemographic
adj
Produced by an anemograph; of or pertaining to anemography.
anemographically
anemographically
adv
By means of anemography.
anemographs
anemographs
noun
plural of anemograph
anemography
anemography
noun
A scientific description of the winds.
The art of recording the direction and force of the wind, as by means of an anemograph.
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.