(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.
absorption
absorption
noun
(chemistry, physics) the imbibing or reception by molecular or chemical action, of radiant energy; the process of being neutrons being absorbed by the nucleus; interception.
(electrical engineering) The retaining of electrical energy for a short time after it has been introduced to the dielectric.
(meteorology) The process in which incident radiant energy is retained by a substance (such as an air mass) by conversion to some other form of energy (such as heat).
(obsolete) engulfing; swallowing up, as of bodies or land.
(physiology) in living organisms, the process by which the materials of growth and nutrition are absorbed and conveyed to the tissues and organs; taking in by various means, such as by osmosis.
Entire engrossment or occupation of the mind.
Mental assimilation.
assimilation; incorporation.
absorptional
absorptional
adj
Relating to absorption.
absorptions
absorptions
noun
plural 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.
absorptivity
absorptivity
noun
(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.
acanthocarpous
acanthocarpous
adj
(botany) Having the fruit covered with spines.
acanthophorous
acanthophorous
adj
Spine-bearing.
acanthopterous
acanthopterous
adj
(zoology) Acanthopterygious
(zoology) Spiny-winged.
accepters
accepters
noun
plural of accepter
acceptors
acceptors
noun
plural of acceptor
acceptress
acceptress
noun
(rare) A female acceptor.
accipitres
accipitrines
accipitrines
noun
plural of accipitrine
achondroplastic
achondroplastic
adj
(teratology) Of, related to, or suffering from achondroplasia.
achromatopsia
achromatopsia
noun
achromatopia
achromatopsy
achromatopsy
noun
color blindness; inability to distinguish colors; daltonism, achromatopia
acraspedote
acraspedote
adj
Relating to jellyfish of the class Acraspeda
acroparesthesia
acroparesthesia
noun
(medicine) severe pain in the extremities
acrotrophoneurosis
actinocarpous
actinomorphous
actinomorphous
adj
(botany, of a flower) Having petals arranged in a radially symmetric pattern.
actinophorous
actinophorous
adj
(biology) Having straight projecting spines
actinophrys
actinopraxis
actinopterous
actinopterygious
actinosphaerium
actinostereoscopy
actinotherapeutics
actinotherapeutics
noun
actinotherapy
actorship
actorship
noun
The state or quality associated with being an actor.
actuaryship
actuaryship
noun
The role or status of actuary.
acupunctures
acupunctures
noun
plural of acupuncture
verb
Third-person singular simple present indicative form of acupuncture
acupuncturist
acupuncturist
noun
A healthcare professional who is qualified or professionally engaged in the practice of acupuncture.
acupuncturists
acupuncturists
noun
plural of acupuncturist
adapters
adapters
noun
plural of adapter
adaptors
adaptors
noun
plural of adaptor
adderspit
adenohypersthenia
adenopharyngitis
adenylpyrophosphate
adenylpyrophosphate
noun
Synonym of adenosine triphosphate
adiaphorist
adiaphorist
noun
One who believes in adiaphorism.
adiaphoristic
adiaphoristic
adj
(theology) Theologically indifferent.
administratorship
administratorship
noun
The position or role of an administrator.
adopters
adopters
noun
plural of adopter
adscript
adscript
adj
Held to service as attached to the soil; said of feudal serfs.
noun
(typography) Something written or printed immediately after another character and aligned with it.
A feudal serf or labourer who is attached to an estate and sold or transferred with it.
verb
(transitive) To hold (a person) to service as attached to the soil; said of feudal serfs.
adscripted
adscripted
verb
simple past tense and past participle of adscript
adscription
adscription
noun
The state of being joined, bound or annexed
adscriptitious
adscriptitius
adscriptive
adscriptive
adj
Attached or annexed to the glebe or estate and transferable with it.
adscripts
adscripts
noun
plural of adscript
adsorption
adsorption
noun
The adhesion of a liquid or gas on the surface of a solid material, forming a thin film on the surface.
adsorptions
adsorptions
noun
plural of adsorption
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.
adspiration
adstipulator
adventureship
aecioteliospore
aeolotropism
aeolotropism
noun
aeolotropy
aepyornithiformes
aerophagist
aerophagist
noun
(medicine) A person who gulps in air.
aerophilatelist
aerophilatelist
noun
One who practices aerophilately; a collector of airmail stamps.
aerophotos
aerophotos
noun
plural of aerophoto
aerophysicist
aeroplanist
aeroplanist
noun
(archaic) an aeroplane pilot
aeropleustic
aeropleustic
adj
(humorous) Of or pertaining to aerial navigation.
aerotherapeutics
aerotherapeutics
noun
The treatment of disease by the use of air or other gases.
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.
africanthropus
afterdrops
afterimpression
afterimpression
noun
Alternative spelling of after-impression
afterpains
afterpains
noun
plural of afterpain
afterpast
afterpieces
afterpieces
noun
plural of afterpiece
afterpressure
aftership
afterspeech
afterspring
aftersupper
agastrophus
agitpropist
agitprops
agitprops
noun
plural of agitprop
agranuloplastic
agriotypus
agrostographer
agrostographer
noun
One who studies agrostography.
agrostographic
agrostographical
agrostographies
agrostography
agrostography
noun
The scientific description of grasses.
airplanist
airplanist
noun
(archaic) An airplane pilot.
airports
airports
noun
plural of airport
airpost
airpost
noun
Synonym of airmail
airposts
airstrip
airstrip
noun
An aircraft landing field, usually with one runway and only basic facilities.
airstrips
airstrips
noun
plural of airstrip
alectoromorphous
alectoropodes
alectoropodous
algesireceptor
allelotropism
alloeostropha
allopatries
allotransplant
allotransplant
noun
An instance of allotransplantation.
The graft (tissue or organ) transplanted in such an instance: Synonym of allograft.
verb
To perform an allograft.
allotransplantation
allotransplantation
noun
(surgery) transplantation of organs or tissues between genetically different individuals of the same species
allotropes
allotropes
noun
plural of allotrope
allotropies
allotropies
noun
plural of allotropy
allotropism
allotropism
noun
(chemistry) The ability (of an element) to exist in more than one physical form without change of state.
allotropous
allotropous
adj
(biology) Pertaining to an insect which is attracted to flowers of a large range of different species of plant, or an insect which does not feed exclusively on one type of flower.
(botany) Pertaining to a flower which attracts a large range of different insects to feed on its nectar.
alpenstocker
alpenstocker
noun
A mountain-climber, especially one that uses an alpenstock.
alpestral
alpestrian
alpestrine
alpestrine
adj
Synonym of subalpine
alpetragius
alphabetiser
alphabetiser
noun
Non-Oxford British English standard spelling of alphabetizer.
alphabetizers
alphabetizers
noun
plural of alphabetizer
alphitomorphous
alphitomorphous
Adjective
Resembling barleymeal.
altarpieces
altarpieces
noun
plural of altarpiece
alternipetalous
alternisepalous
amateurship
amateurship
noun
The quality or character of an amateur.
ambisporangiate
aminopterins
aminopterins
noun
plural of aminopterin
ampelographist
ampelographist
noun
One who studies ampelography.
ampherotokous
amphiarthroses
amphiarthroses
noun
plural of amphiarthrosis
amphiarthrosis
amphiarthrosis
noun
(anatomy) The type of movable joint in animals in which the surfaces of bones are connected by ligaments or cartilage.
amphiaster
amphiaster
noun
(biology) The achromatic figure, formed in mitotic cell division, consisting of two asters connected by a spindle-shaped bundle of rod-like fibres diverging from each aster.
amphiblestritis
amphicyrtous
amphidiarthrosis
amphierotism
amphigastria
amphigastrium
amphigastrula
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.