(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
absorptiometer
absorptiometer
noun
A instrument that computes the absorption rate by measuring the pressure of the gas; a colorimeter for liquids.
An instrument used to measure the amount of radiation or light absorbed.
absorptiometric
absorptiometric
adj
Of or pertaining to the measurement of absorption.
absorptive
absorptive
adj
Having power, capacity, or tendency to absorb or imbibe; absorbent.
noun
Any substance that absorbs.
absorptively
absorptively
adv
In an absorptive way.
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
acceptor
acceptor
noun
(biochemistry) A transfer RNA molecule that can accept a specific amino acid
(chemistry) An atom or molecule which can accept an electron to form a chemical bond.
(computing theory) A kind of finite-state machine whose binary output indicates whether or not a received input was accepted.
(law, commerce) One who accepts a draft or a bill of exchange; a drawee after he has accepted.
(physics) A chemical acceptor atom forming a positive hole in a semiconductor
(physiology) A cluster of skin cells that respond to pain
One who accepts.
acceptors
acceptors
noun
plural of acceptor
accorporate
acetomorphin
acetomorphine
acetomorphine
noun
heroin
acetopiperone
acetopyrin
acetopyrine
acetopyrine
noun
(medicine) An acetylsalicylate of antipyrine
acetylperoxide
acetyltropeine
achromatope
achromatope
noun
A person who has achromatopia.
achromatophile
achromatophile
adj
Being or relating to an achromatophil.
acidoproteolytic
acidoproteolytic
adj
Relating to acidoproteolytes
acraspedote
acraspedote
adj
Relating to jellyfish of the class Acraspeda
acroparesthesia
acroparesthesia
noun
(medicine) severe pain in the extremities
acropetal
acropetal
adj
(botany) That develops, matures or opens from the base towards the apex in sequence.
acropetally
acropetally
adv
In an acropetal manner.
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.
adaptometer
adaptometer
noun
An optometric instrument that measures the minimum threshold of brightness that can be detected or how well the human eye can adapt to a recently darkened environment.
adenohypersthenia
adenopharyngitis
adenylpyrophosphate
adenylpyrophosphate
noun
Synonym of adenosine triphosphate
adiaphoretic
adiaphorite
adiaphorite
Noun
One who believes in adiaphorism; an adiaphorist.
adipocerite
adipometer
adipometer
noun
A calliper used to estimate the amount of internal fat by measuring the thickness of a fold of skin
adiponitrile
adiponitrile
noun
(organic chemistry) The nitrile derived from adipic acid
adoperate
adoperation
adopter
adopter
noun
one who adopts
adopters
adopters
noun
plural of adopter
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
adsorptive
adsorptive
adj
Pertaining to, tending toward, or characterized by adsorption.
noun
Any substance that adsorbs.
adsorptively
adsorptively
adv
In an adsorptive manner; with a tendency toward or characteristic of adsorption.
adsorptiveness
adsorptiveness
noun
The property of being adsorptive, of tending toward or being characterized by adsorption.
aecioteliospore
aeolotropic
aeolotropic
adj
(physics) Pertaining to aeolotropy; of a body or substance, having physical properties (e.g., electric conductivity, refractive index) that depend on the direction in which they are measured.
aeolotropism
aeolotropism
noun
aeolotropy
aeolotropy
aeolotropy
noun
(physics) The phenomenon whereby the physical properties (e.g, electric conductivity, refractive index) of a body depend on the direction in which they are measured.
aepyornithidae
aepyornithiformes
aerocartograph
aerocartograph
noun
(historical) A kind of stereoplotter.
aerocartography
aerocartography
noun
The making of maps based on an aerial survey of the terrain.
aerohydropathy
aerohydrotherapy
aerometeorograph
aerometeorograph
noun
A meteorograph designed for use in an aircraft or other flying vehicle.
aeropathy
aeropathy
noun
illness caused by a change in atmospheric pressure
aeroperitoneum
aeroperitonia
aerophagist
aerophagist
noun
(medicine) A person who gulps in air.
aerophilatelic
aerophilatelic
adj
Of or relating to aerophilately.
aerophilatelist
aerophilatelist
noun
One who practices aerophilately; a collector of airmail stamps.
aerophilately
aerophilately
noun
(philately) The study or collection of airmail stamps, cancellations, etc.
aerophoto
aerophoto
noun
Alternative form of aerophotograph
aerophotography
aerophotography
noun
aerial photography
aerophotos
aerophotos
noun
plural of aerophoto
aerophysicist
aerophyte
aerophyte
noun
(biology) epiphyte
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.
aeropleustic
aeropleustic
adj
(humorous) Of or pertaining to aerial navigation.
aeroporotomy
aerotherapeutics
aerotherapeutics
noun
The treatment of disease by the use of air or other gases.
aerotherapy
aerotherapy
noun
(medicine) Any therapy that uses some form of air
aerotropic
aerotropic
adj
(biology) growing towards higher concentrations of oxygen
aerotropism
aerotropism
noun
(biology) The growth of an organism either towards, or away from a region of higher oxygen content.
aethrioscope
aethrioscope
noun
(meteorology) A device for measuring temperature variations due to different atmospheric conditions, such as cloud or clear skies.
aetiotropic
aetiotropically
aetomorphae
aftercrop
aftercrop
noun
A second crop in the same year.
afterdrops
afterhope
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.
afterproof
aggroupment
aggroupment
noun
Arrangement in a group or in groups; grouping.
agriotype
agriotype
noun
An ancestral wild form of a domestic animal or plant.
agriotypidae
agrostographer
agrostographer
noun
One who studies agrostography.
agrostographies
agrotype
agrotype
noun
A type of soil used for agriculture
albitophyre
alectoromorphae
alectoromorphous
alectoropodes
alectoropodous
alethopteroid
algesireceptor
alimentotherapy
alipterion
allelotropic
allelotropism
allelotropy
allenport
alloeostropha
allomorphite
allopatries
allotrope
allotrope
noun
(chemistry) Any form of an element that has a distinctly different molecular structure to another form of the same element.
(linguistics) An other form, a different shape of a lexical unit.
(philosophy) An alternative shape of a cognitive structure.
allotropes
allotropes
noun
plural of allotrope
allotropies
allotropies
noun
plural of allotropy
allotropize
allotropize
verb
To change in physical properties but not in substance.
alloxyproteic
alpenstocker
alpenstocker
noun
A mountain-climber, especially one that uses an alpenstock.
alphabetiform
alphabetiform
adj
Having the form of a developed alphabet or its letters, as opposed to crude pictographic symbols.
alternipetalous
alternisepalous
ambisporangiate
amboceptor
amboceptor
noun
(obsolete) Synonym of hemolysin
ambrotype
ambrotype
noun
(photography, historical) An early type of photograph in which a glass negative appears positive when displayed on a black background.
ametrope
ametropia
ametropia
noun
(medicine) Any of several disorders of the eye (spherical or cylindrical) resulting from faulty refractive ability.
ametropic
ametropic
adj
(ophthalmology) Relating to or suffering from ametropia
aminopterin
aminopterin
noun
(pharmacology) A 4-amino analog of folic acid used as a chemotherapy drug.
aminopterins
aminopterins
noun
plural of aminopterin
ammotherapy
amorphophyte
amorphophyte
noun
Any plant with flowers of an irregular or anomalous shape
amorphotae
ampelographist
ampelographist
noun
One who studies ampelography.
ampelotherapy
ampelotherapy
noun
(medicine) The therapeutic use of grapes.
amperometer
amperometer
noun
(rare) Synonym of ammeter.
amperometric
amperometric
adj
(chemistry, physics) That involves measurement of an electric current during a process such as titration