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- ablactation
the cessation of lactation - ablation
the erosive process that reduces the size of glaciers - attrition, detrition, abrasion, corrasion
erosion by friction - abscission
shedding of flowers and leaves and fruit following formation of scar tissue in a plant - absorption, soaking up
(chemistry) a process in which one substance permeates another - absorption
(physics) the process in which incident radiated energy is retained without reflection or transmission on passing through a medium - accession
a process of increasing by addition (as to a collection or group) - acclimatization, acclimatisation, acclimation
adaptation to a new climate (a new temperature or altitude or environment) - accumulation, accretion
an increase by natural growth or addition - accretion
(geology) an increase in land resulting from alluvial deposits or waterborne sediment - accretion
(biology) growth by addition as by the adhesion of parts or particles - accretion
(astronomy) the formation of a celestial object by the effect of gravity pulling together surrounding objects and gases - acetylation
the process of introducing an acetyl group into a compound - Acheson process
an industrial process for making graphite by heating a mixture of coke and clay - acid-base equilibrium, acid-base balance
(physiology) the normal equilibrium between acids and alkalis in the body - acidification
the process of becoming acid or being converted into an acid - activation
stimulation of activity in an organism or chemical - active birth
childbirth during which the mother is encouraged to be an active participant - active transport
transport of a substance (as a protein or drug) across a cell membrane against the concentration gradient - acylation
the process of introducing an acyl group into a compound - adaptation, adjustment, adaption
the process of adapting to something (such as environmental conditions) - addition reaction
a chemical reaction in which one molecule is added to another - adiabatic process
(thermodynamics) any process that occurs without gain or loss of heat - administrative data processing, business data processing
data processing in accounting or business management - adsorption, surface assimilation
the accumulation of molecules of a gas to form a thin film on the surface of a solid - advection
(meteorology) the horizontal transfer of heat or other atmospheric properties - aeration
the process of exposing to air (so as to purify) - agenesis, agenesia
imperfect development - agglutination
the building of words from component morphemes that retain their form and meaning in the process of combining - agglutination
a clumping of bacteria or red cells when held together by antibodies (agglutinins) - agglutination, agglutinating activity
the coalescing of small particles that are suspended in solution - senescence, aging, ageing
the organic process of growing older and showing the effects of increasing age - aldol reaction
a reaction of aldehydes resulting in an aldol - alluvion
gradual formation of new land, by recession of the sea or deposit of sediment - alpha decay
radioactive decay of an atomic nucleus that is accompanied by the emission of an alpha particle - alternative birth, alternative birthing
a method of childbirth that avoids intrusive high-tech medicine in favor of more natural and homely settings - amelogenesis
the developmental process of forming tooth enamel - Americanization, Americanisation
assimilation into American culture - amitosis
the direct method of cell division characterized by simple division of the nucleus without formation of chromosomes - ammonification
impregnation with ammonia or a compound of ammonia - amylolysis
conversion of starch to sugar - anabolism, constructive metabolism
the synthesis in living organisms of more complex substances (e.g., living tissue) from simpler ones together with the storage of energy - anaglyphy
the process of producing pictures in contrasting colors that appear three-dimensional when superimposed and viewed through spectacles with one red and one green lens - anamorphism
metamorphism that occurs deep under the earth's surface - anamorphosis, anamorphism
the evolution of one type of organism from another by a long series of gradual changes - anaphase
the stage of meiosis or mitosis when chromosomes move toward opposite ends of the nuclear spindle - anastalsis
muscular action of the alimentary tract in a direction opposite to peristalsis - androgenesis, androgeny
male parthenogenesis in which the embryo contains only paternal chromosomes due to the failure of the egg nucleus to participate in fertilization - angiogenesis
the formation of new blood vessels - Anglicization, Anglicisation
the act of anglicizing - anisogamy
(biology) reproduction by the union or fusion of two differing gametes (especially differing in size) - anovulation
the absence of ovulation due to immaturity or post-maturity or pregnancy or oral contraceptive pills or dysfunction of the ovary - anthropogenesis, anthropogeny
the evolution or genesis of the human race - antiredeposition
the process of preventing redeposition - antisepsis, asepsis
the process of inhibiting the growth and multiplication of microorganisms - apheresis, aphaeresis
(linguistics) omission at the beginning of a word as in `coon' for `raccoon' or `till' for `until' - aphesis
the gradual disappearance of an initial (usually unstressed) vowel or syllable as in `squire' for `esquire' - apogamy
(botany) development of an embryo without fertilization - apomixis
any of several kinds of reproduction without fertilization - apposition
(biology) growth in the thickness of a cell wall by the deposit of successive layers of material - asexual reproduction, agamogenesis
reproduction without the fusion of gametes - assibilation
the development of a consonant phoneme into a sibilant - assimilation
a linguistic process by which a sound becomes similar to an adjacent sound - absorption, assimilation
the process of absorbing nutrients into the body after digestion - absorption, assimilation
the social process of absorbing one cultural group into harmony with another - association
(chemistry) any process of combination (especially in solution) that depends on relatively weak chemical bonding - asynchronous operation
operations that occur without a regular or predictable time relation to other events - attack
the onset of a corrosive or destructive process (as by a chemical agent) - autocatalysis
catalysis in which the catalyst is one of the products of the reaction - autolysis, self-digestion
lysis of plant or animal tissue by an internal process - automatic data processing, ADP
data processing by a computer - autoradiography
producing a radiograph by means of the radiation emitted from the specimen being photographed - autotype, autotypy
process for producing permanent prints in a carbon pigment - autoregulation
(physiology) processes that maintain a generally constant physiological state in a cell or organism - auxesis
growth from increase in cell size without cell division - auxiliary operation, off-line operation
a operation performed by off-line equipment not under the control of the central processing unit - background processing, backgrounding
the execution of low priority programs while higher priority programs are not using the processing system - backup
an accumulation caused by clogging or a stoppage - bacteriolysis
dissolution or destruction of bacteria - bacteriostasis
inhibition of the growth of bacteria - basal metabolic rate, BMR
the rate at which heat is produced by an individual in a resting state - basal metabolism
the amount of energy required to maintain the body of an individual in a resting state - batch processing
the serial execution of computer programs - beach erosion
the erosion of beaches - bed-wetting
enuresis during sleep - Bessemer process
an industrial process for making steel using a Bessemer converter to blast air through molten iron and thus burning the excess carbon and impurities - beta decay
radioactive decay of an atomic nucleus that is accompanied by the emission of a beta particle - biochemical mechanism
a chemical mechanism involved in vital processes occurring in living organisms - biogenesis, biosynthesis
production of a chemical compound by a living organism - blastogenesis
asexual reproduction by budding - blaze, blazing
a strong flame that burns brightly - blood coagulation, blood clotting
a process in which liquid blood is changed into a semisolid mass (a blood clot) - bloom, blooming
the organic process of bearing flowers - efflorescence, inflorescence, blossoming, flowering, florescence, anthesis
the time and process of budding and unfolding of blossoms - blowing
processing that involves blowing a gas - bluing, blueing
a process that makes something blue (or bluish) - activity, bodily process, body process, bodily function
an organic process that takes place in the body - boiling
the application of heat to change something from a liquid to a gas - boolean operation, binary operation, binary arithmetic operation
an operation that follows the rules of Boolean algebra - bottom fermentation
a slow kind of alcoholic fermentation at a temperature low enough that the yeast cells can sink to the bottom of the fermenting liquid - movement, bowel movement, bm
a euphemism for defecation - Bradley method of childbirth, Bradley method
a method that prepares a mother for natural childbirth by providing education and exercises and nutrition and techniques of breathing and relaxation (with the assistance of the father) - incubation, brooding
sitting on eggs so as to hatch them by the warmth of the body - budding
reproduction of some unicellular organisms (such as yeasts) by growth and specialization followed by the separation by constriction of a part of the parent - buildup
the result of the process of accumulation - calcification
a process that impregnates something with calcium (or calcium salts) - calcination
the conversion of metals into their oxides as a result of heating to a high temperature - calving
giving birth to a calf - capture
any process in which an atomic or nuclear system acquires an additional particle - capture
a process whereby a star or planet holds an object in its gravitational field - carbonation
saturation with carbon dioxide (as soda water) - carbon cycle
a thermonuclear reaction in the interior of stars - carbon cycle
the organic circulation of carbon from the atmosphere into organisms and back again - carbonization, carbonisation
the destructive distillation of coal (as in coke ovens) - carriage return
the operation that prepares for the next character to be printed or displayed as the first character on a line - catabiosis
normal aging of cells - catabolism, katabolism, dissimilation, destructive metabolism
breakdown in living organisms of more complex substances into simpler ones together with release of energy - catalysis, contact action
acceleration of a chemical reaction induced the presence of material that is chemically unchanged at the end of the reaction - cavity, caries, dental caries, tooth decay
soft decayed area in a tooth - cell division, cellular division
the process in reproduction and growth by which a cell divides to form daughter cells - cenogenesis, kenogenesis, caenogenesis, cainogenesis, kainogenesis
introduction during embryonic development of characters or structure not present in the earlier evolutionary history of the strain or species (such as the addition of the placenta in mammalian evolution) - centrifugation
the process of separating substances of different densities by the use of a centrifuge - chain reaction
a series of chemical reactions in which the product of one is a reactant in the next - chain reaction
a self-sustaining nuclear reaction - chelation
the process of forming a ring by forming one or more hydrogen bonds - chelation
(medicine) the process of removing a heavy metal from the bloodstream by means of a chelate as in treating lead or mercury poisoning - equilibrium, chemical equilibrium
a chemical reaction and its reverse proceed at equal rates - chemical process, chemical change, chemical action
(chemistry) any process determined by the atomic and molecular composition and structure of the substances involved - reaction, chemical reaction
(chemistry) a process in which one or more substances are changed into others - chemisorption, chemosorption
adsorption (especially when irreversible) by means of chemical instead of physical forces - chemosynthesis
synthesis of carbohydrate from carbon dioxide and water - childbirth, childbearing, accouchement, vaginal birth
the parturition process in human beings - chlorination
the addition or substitution of chlorine in organic compounds - chromatography
a process used for separating mixtures by virtue of differences in absorbency - civilization, civilisation
the social process whereby societies achieve an advanced stage of development and organization - cleavage, segmentation
(embryology) the repeated division of a fertilised ovum - cleavage
the breaking of a chemical bond in a molecule resulting in smaller molecules - climate change, global climate change
a change in the world's climate - clouding, clouding up
the process whereby water particles become visible in the sky - cohesion
(botany) the process in some plants of parts growing together that are usually separate (such as petals) - cold fusion
nuclear fusion at or near room temperatures - column chromatography
chromatography that uses selective adsorption by a column of powders - burning, combustion
a process in which a substance reacts with oxygen to give heat and light - deflagration
combustion that propagates through a gas or along the surface of an explosive at a rapid rate driven by the transfer of heat - compensation
(psychiatry) a defense mechanism that conceals your undesirable shortcomings by exaggerating desirable behaviors - computer operation, machine operation
an elementary operation that a computer is designed and built to perform - concretion
the formation of stonelike objects within a body organ (e.g., the kidneys) - concurrent operation
two or more operations performed at the same time (or within a give interval) - condensation
the process of changing from a gaseous to a liquid or solid state - congealment, congelation
the process of congealing - conspicuous consumption
buying expensive services and products in order to flaunt your wealth - use, consumption, usance, economic consumption, use of goods and services
(economics) the utilization of economic goods to satisfy needs or in manufacturing - control operation, control function
an operation that controls the recording or processing or transmission of interpretation of data - recovery, convalescence, recuperation
gradual healing (through rest) after sickness or injury - convection
the transfer of heat through a fluid (liquid or gas) caused by molecular motion - convection
(meteorology) the vertical movement of heat or other properties by massive motion within the atmosphere - conversion
(psychiatry) a defense mechanism represses emotional conflicts which are then converted into physical symptoms that have no organic basis - cooling, chilling, temperature reduction
the process of becoming cooler - corrosion, corroding, erosion
erosion by chemical action - corruption
decay of matter (as by rot or oxidation) - cost-pull inflation
inflation caused by an increase in the costs of production - cracking
the process whereby heavy molecules of naphtha or petroleum are broken down into hydrocarbons of lower molecular weight (especially in the oil-refining process) - crossover, crossing over
the interchange of sections between pairing homologous chromosomes during the prophase of meiosis - cultivation
the process of fostering the growth of something - curdling, clotting, coagulation
the process of forming semisolid lumps in a liquid - cyanide process
an industrial process for extracting gold and silver by treating ore with a sodium cyanide solution - cytogenesis, cytogeny
the origin and development and variation of cells - cytolysis
pathological breakdown of cells by the destruction of their outer membrane - data mining
data processing using sophisticated data search capabilities and statistical algorithms to discover patterns and correlations in large preexisting databases - data processing
(computer science) a series of operations on data by a computer in order to retrieve or transform or classify information - dealignment
a process whereby voters are moved toward nonpartisanship thus weakening the structure of political parties - deamination, deaminization
removal of the amino radical from an amino acid or other amino compound - decalcification
loss of calcium from bones or teeth - decarboxylation
the process of removing a carboxyl group from a chemical compound (usually replacing it with hydrogen) - decline, decay
a gradual decrease - decay
the process of gradually becoming inferior - disintegration, decay, radioactive decay
the spontaneous disintegration of a radioactive substance along with the emission of ionizing radiation - decentralization, decentalisation
the social process in which population and industry moves from urban centers to outlying districts - diminution, decline
change toward something smaller or lower - decoction
(pharmacology) the extraction of water-soluble drug substances by boiling - decoction process, decoction mashing
(brewing) a process in which part of the mash is removed and boiled and then returned - putrefaction, decomposition, rot, rotting
(biology) the process of decay caused by bacterial or fungal action - decomposition, decomposition reaction, chemical decomposition reaction
(chemistry) separation of a substance into two or more substances that may differ from each other and from the original substance - decrease, decrement
a process of becoming smaller or shorter - dedifferentiation
the loss of specialization in form or function - deepening
a process of becoming deeper and more profound - laxation, defecation, shitting
the elimination of fecal waste through the anus - defense, defence, defense mechanism, defense reaction, defence mechanism, defence reaction
(psychiatry) an unconscious process that tries to reduce the anxiety associated with instinctive desires - deflation
a contraction of economic activity resulting in a decline of prices - defoliation
the loss of foliage - degaussing
the process of making a (steel) ship's hull nonmagnetic by producing an opposing magnetic field - devolution, degeneration
the process of declining from a higher to a lower level of effective power or vitality or essential quality - dehydration, desiccation, drying up, evaporation
the process of extracting moisture - de-iodination
the removal of iodine atoms from organic compounds - demagnetization, demagnetisation
the process of removing magnetization - demand
the ability and desire to purchase goods and services - demand-pull inflation
inflation caused by an increase in demand or in the supply of money - demineralization, demineralisation
the removal of minerals and mineral salts from a liquid (especially from water) - denazification, de-Nazification
social process of removing Nazis from official positions and giving up any allegiance to Nazism - denial
(psychiatry) a defense mechanism that denies painful thoughts