(optics, physics) Absorbed radiation and incident radiation in a ratio format; a measurement that shows how well a surface absorbs radiation.
abstinences
abstinences
noun
plural of abstinence
abstracters
abstracters
noun
plural of abstracter
abstractest
abstractest
adj
(rare) superlative form of abstract: most abstract
verb
(archaic) second-person singular simple present form of abstract
abstracting
abstracting
verb
present participle of abstract
abstraction
abstraction
noun
(art) An abstract creation, or piece of art; qualities of artwork that are free from representational aspects.
(chemistry) A separation of volatile parts by the act of distillation.
(computing) Any generalization technique that ignores or hides details to capture some kind of commonality between different instances for the purpose of controlling the intellectual complexity of engineered systems, particularly software systems.
(computing) Any intellectual construct produced through the technique of abstraction.
(engineering) Removal of water from a river, lake, or aquifer.
(euphemistic) The taking surreptitiously for one's own use part of the property of another; purloining.
(geology) The merging of two river valleys by the larger of the two deepening and widening so much so, as to assimilate the smaller.
A member of an idealized subgroup when contemplated according to the abstracted quality which defines the subgroup.
A separation from worldly objects; a recluse life; the withdrawal from one's senses.
Absence or absorption of mind; inattention to present objects; preoccupation.
Abstraction is necessary for the classification of things into genera and species.
An idea of an idealistic, unrealistic or visionary nature.
An idea or notion of an abstract or theoretical nature.
Any characteristic of an individual object when that characteristic has been separated from the object and is contemplated alone as a quality having independent existence.
The act of abstracting, separating, withdrawing, or taking away; withdrawal; the state of being taken away.
The act of comparing commonality between distinct objects and organizing using those similarities; the act of generalizing characteristics; the product of said generalization.
The act of focusing on one characteristic of an object rather than the object as a whole group of characteristics; the act of separating said qualities from the object or ideas.
The result of mentally abstracting an idea; the product of any mental process involving a synthesis of: separation, despecification, generalization, and ideation in any of a number of combinations.
abstractive
abstractive
adj
Derived by abstraction; belonging to abstraction.
Having an abstracting nature or tendency; tending to separate; tending to be withdrawn.
abstractors
abstractors
noun
plural of abstractor
abstricting
abstricting
verb
present participle of abstrict
abstriction
abstriction
noun
(biology, mycology) A method of spore formation in fungi in which successive portions of the sporophore are cut off through the growth of septa; abjunction.
acanthophis
acarologist
acarologist
noun
A specialist in acarology - the study of ticks and mites.
acatalepsia
acatalepsia
noun
Alternative form of acatalepsy
acataphasia
acataphasia
noun
(pathology) A loss of the ability to express oneself using organized syntax
acatastasia
acatastatic
acaulescent
acaulescent
adj
(botany) Having no stem or caulis, or only a very short one concealed in the ground.
accelerants
accelerants
noun
plural of accelerant
accelerates
accelerates
verb
Third-person singular simple present indicative form of accelerate
accentuates
accentuates
verb
Third-person singular simple present indicative form of accentuate
acceptances
acceptances
noun
plural of acceptance
accersition
accidentals
accidentals
noun
plural of accidental
acclimatise
acclimatise
verb
Non-Oxford British English and New Zealand standard spelling of acclimatize.
acclivities
acclivities
noun
plural of acclivity
acclivitous
acclivitous
adj
Acclivous
accompanist
accompanist
noun
(music) The performer in music who takes the accompanying part.
accomplisht
accomplisht
adj
Obsolete form of accomplished.
verb
(obsolete) simple past tense and past participle of accomplish
accountants
accountants
noun
plural of accountant
accountings
accountings
noun
plural of accounting
accruements
accruements
noun
plural of accruement
accumulates
accumulates
verb
Third-person singular simple present indicative form of accumulate
accusations
accusations
noun
plural of accusation
accusatival
accusatival
adj
Of or pertaining to the accusative case.
accusatives
accusatives
noun
plural of accusative
accustoming
accustoming
verb
present participle of accustom
accustomize
accustomize
verb
(rare) To learn to adapt one's lifestyle to a new or changed environment.
acetabulous
acetabulous
adj
cup-shaped; acetabular
acetabulums
acetanilids
acetanilids
noun
plural of acetanilid
acetaniside
acetylsalol
achondrites
achondrites
noun
plural of achondrite
achroanthes
achromatise
achromatise
verb
Non-Oxford British English standard spelling of achromatize.
achromatism
achromatism
noun
(optics) The state or quality of being achromatic; achromaticity.
Achromatopia.
The state of being free of colors, not emitting or separating into colors.
achromatous
achromatous
adj
Lacking normal colour; colourless
achyranthes
achyranthes
noun
plural of achyranthe
acidimeters
acidimeters
noun
plural of acidimeter
acmesthesia
acmesthesia
noun
(pathology) The sensitivity of the skin to a sharp point (such as a pinprick)
acoelomates
acoelomates
noun
plural of acoelomate
acoustician
acoustician
noun
One versed in acoustics, especially a physicist who specializes in acoustics.
acquiescent
acquiescent
adj
resting satisfied or submissive; disposed tacitly to submit
willing to acquiesce, accept or agree to something without objection, protest or resistance
acquisition
acquisition
noun
(computing) The process of sampling signals that measure real world physical conditions and converting these signals into digital numeric values that can be manipulated by a computer.
The act or process of acquiring.
The thing acquired or gained; a gain.
acquisitive
acquisitive
adj
(obsolete) Acquired.
Able or disposed to make acquisitions; acquiring.
Dispositioned toward acquiring and retaining information.
acquisitors
acquisitors
noun
plural of acquisitor
acraspedote
acraspedote
adj
Relating to jellyfish of the class Acraspeda
acraturesis
acroamatics
acroamatics
noun
esoteric lectures.
acrodontism
acronyctous
acronyctous
adj
(astronomy) acronycal
acrostichal
acrostichal
adj
(entomology, of bristles) Situated on the mesothorax of some dipteran flies
acrostichic
acrostichic
adj
Being or relating to an acrostic.
acrostichum
acrosticism
acrosticism
noun
Acrostic arrangement or character.
acrostolion
acrostolium
acrotarsial
acrotarsial
adj
Relating to the acrotarsium
acrotarsium
acrotarsium
noun
(zoology) The instep of the foot (front of the tarsus)
actinoblast
actinolites
actinolites
noun
plural of actinolite
actinomyces
actinomyces
noun
A bacterium (species) of the genus Actinomyces.
actinophrys
actinoscopy
actinoscopy
noun
(medicine, archaic) Radiology; examination by means of an X-ray machine.
actinostome
actinostome
noun
(zoology) The mouth or anterior opening of a coelenterate animal.
activations
activations
noun
plural of activation
actomyosins
actomyosins
noun
plural of actomyosin
actualising
actualising
verb
present participle of actualise
actualistic
actualistic
adj
(archaeology) Relating to actual use
Relating to action or the actual
actualities
actualities
noun
plural of actuality
actuaryship
actuaryship
noun
The role or status of actuary.
acuesthesia
acutenesses
acutenesses
noun
plural of acuteness
acutonodose
adherescent
adiagnostic
adiagnostic
adj
(geology) Difficult to identify.
adjectivism
adjectivism
noun
The excessive use of adjectives.
adjudicates
adjudicates
verb
Third-person singular simple present indicative form of adjudicate
adjunctions
adjunctions
noun
plural of adjunction
adjutancies
adjutancies
noun
plural of adjutancy
admittances
admittances
noun
plural of admittance
adolescents
adolescents
noun
plural of adolescent
adscription
adscription
noun
The state of being joined, bound or annexed
adscriptive
adscriptive
adj
Attached or annexed to the glebe or estate and transferable with it.
advertences
advertences
noun
plural of advertence
advocations
advocations
noun
plural of advocation
advocatress
advocatress
noun
(rare) A female advocate.
aerobacters
aeroelastic
aeroelastic
adj
Of or pertaining to aeroelasticity
aeronautics
aeronautics
noun
The design, construction, mathematics and mechanics of aircraft and other flying objects
The theory and practice of aircraft navigation
aerostatics
aerostatics
noun
(physics) the study of gases in equilibrium and of balloons or aircraft in varying atmospheric conditions
aesthesodic
aesthesodic
adj
(biology) Conveying sensory or afferent impulses.
aesthetical
aesthetical
adj
Aesthetic.
Of or pertaining to aesthetics.
Of or pertaining to beauty.
afflictions
afflictions
noun
plural of affliction
afroasiatic
afterclause
aftercourse
aftercourse
noun
(archaic, regional) The final course of a meal.
(obsolete) A subsequent course of study.
The course (sequence of events or actions) that follows something; subsequent course.
afterpieces
afterpieces
noun
plural of afterpiece
afterschool
afterschool
adj
Of or pertaining to a program intended to care for and educate children in the time immediately after school classes.
Taking place immediately after school classes.
aftershocks
aftershocks
noun
plural of aftershock
afterspeech
agnosticism
agnosticism
noun
(by extension) Doubt, uncertainty, or scepticism regarding any subject of dispute.
Doubt, uncertainty, or scepticism regarding the existence of a god or gods.
The view that absolute truth or ultimate certainty is unattainable, especially regarding knowledge not based on experience or perceivable phenomena.
The view that the existence of God or of all deities is unknown, unknowable, unproven, or unprovable.
agonistarch
agonistarch
noun
(Ancient Greece) One who trained persons to compete in public games and contests.
agonistical
agonistical
adj
(archaic) agonistic (of or relating to contests that were originally participated in by the Ancient Greeks).
ahistorical
ahistorical
adj
Lacking historical perspective or context.
alchemister
alchemistic
alchemistic
Adjective
Of or pertaining to alchemists.
alchemistry
alchemistry
noun
(obsolete) alchemy
alectorides
alethoscope
alethoscope
noun
An instrument for viewing pictures by means of a lens, so as to present them in their natural proportions and relations.
aliteracies
alkahestica
alkalescent
alkalescent
adj
Slightly alkaline; having the properties of an alkali.
allocations
allocations
noun
plural of allocation
alloclasite
alloclasite
noun
(mineralogy) A brittle monoclinic sulfosalt mineral of the arsenopyrite group.
allocutions
allocutions
noun
plural of allocution
alloplastic
alloplastic
adj
(psychology) Involving a subject changing the environment or situation rather than him/herself.
(surgery) Related to an alloplast or to alloplasty
noun
(surgery) Any artificial material substituted for tissue grafts
allosematic
almacenista
alpenstocks
alpenstocks
noun
plural of alpenstock
alphabetics
alphabetics
noun
(dated) The science of representing spoken sounds by letters.
altarpieces
altarpieces
noun
plural of altarpiece
alticamelus
altocumulus
altocumulus
noun
(physics, meteorology) A fleecy cloud formation consisting of large whitish or greyish globular cloudlets with shaded portions, often grouped in flocks or rows. (Abbreviated Ac.)
amentaceous
amentaceous
adj
(botany) Bearing, resembling, or consisting of an ament or aments.
amercements
amercements
noun
plural of amercement
americanist
americanist
Noun
Somebody who favors the values of the USA.
An expert in the study of America.
Adjective
Favoring the values of the USA.
Of or relating to a phonetic notation developed for transcription of Native American and European languages. See
ametoecious
amoebocytes
amoebocytes
noun
plural of amoebocyte
amphictyons
amphictyons
noun
plural of amphictyon
amphistylic
amphistylic
adj
(anatomy, of a skull) Having the mandibular arch articulated with the hyoid arch and the cranium, as in the cestraciont sharks.
amyosthenic
amyosthenic
adj
Of or relating to amyosthenia.
noun
(medicine) A drug or agent that depresses muscular action.
anacamptics
anacamptics
noun
The science of reflected light; catoptrics.
The science of reflected sounds.
anacanthous
anacanthous
adj
Spineless, like certain fishes.
anachronist
anachronist
noun
A person who has anachronistic views or habits
anaclastics
anaclastics
noun
The part of optics that deals with the refraction of light.
anaesthatic
anaesthetic
anaesthetic
adj
(British spelling) Alternative spelling of anesthetic
anaglyptics
anaglyptics
noun
(art) The art of carving or embossing in low relief