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• radiation go
  the spread of a group of organisms into new habitats
  
• absorption go
  (physics) the process in which incident radiated energy is retained without reflection or transmission on passing through a medium
  
• acidification go
  the process of becoming acid or being converted into an acid
  
• adiabatic process go
  (thermodynamics) any process that occurs without gain or loss of heat
  
• aeration go
  the process of exposing to air (so as to purify)
  
• antiredeposition go
  the process of preventing redeposition
  
• capture go
  any process in which an atomic or nuclear system acquires an additional particle
  
• capture go
  a process whereby a star or planet holds an object in its gravitational field
  
• centrifugation go
  the process of separating substances of different densities by the use of a centrifuge
  
• chemical process, chemical change, chemical action go
  (chemistry) any process determined by the atomic and molecular composition and structure of the substances involved
  
• chromatography go
  a process used for separating mixtures by virtue of differences in absorbency
  
• concretion go
  the formation of stonelike objects within a body organ (e.g., the kidneys)
  
• condensation go
  the process of changing from a gaseous to a liquid or solid state
  
• convection go
  (meteorology) the vertical movement of heat or other properties by massive motion within the atmosphere
  
• curdling, clotting, coagulation go
  the process of forming semisolid lumps in a liquid
  
• decay go
  the process of gradually becoming inferior
  
• demagnetization, demagnetisation go
  the process of removing magnetization
  
• desorption go
  changing from an adsorbed state on a surface to a gaseous or liquid state
  
• diffusion go
  (physics) the process in which there is movement of a substance from an area of high concentration of that substance to an area of lower concentration
  
• dissolution, disintegration go
  separation into component parts
  
• distillation, distillment go
  the process of purifying a liquid by boiling it and condensing its vapors
  
• drift go
  the gradual departure from an intended course due to external influences (as a ship or plane)
  
• effervescence go
  the process of bubbling as gas escapes
  
• electrophoresis, cataphoresis, dielectrolysis, ionophoresis go
  the motion of charged particles in a colloid under the influence of an electric field
  
• establishment, ecesis go
  (ecology) the process by which a plant or animal becomes established in a new habitat
  
• extinction go
  the reduction of the intensity of radiation as a consequence of absorption and radiation
  
• extraction go
  the process of obtaining something from a mixture or compound by chemical or physical or mechanical means
  
• feedback go
  the process in which part of the output of a system is returned to its input in order to regulate its further output
  
• filtration go
  the process whereby fluids pass through a filter or a filtering medium
  
• flocculation go
  the process of flocculating
  
• flow go
  any uninterrupted stream or discharge
  
• formation go
  natural process that causes something to form
  
• fossilization, fossilisation go
  the process of fossilizing a plant or animal that existed in some earlier age
  
• geological process, geologic process go
  (geology) a natural process whereby geological features are modified
  
• hardening, set, solidifying, solidification, curing go
  the process of becoming hard or solid by cooling or drying or crystallization
  
• inactivation go
  the process of rendering inactive
  
• ion exchange go
  a process in which ions are exchanged between a solution and an insoluble (usually resinous) solid
  
• ionization, ionisation go
  the process of ionizing
  
• leach, leaching go
  the process of leaching
  
• magnetization, magnetisation, magnetic induction go
  the process that makes a substance magnetic (temporarily or permanently)
  
• materialization, materialisation go
  the process of coming into being
  
• nuclear reaction go
  (physics) a process that alters the energy or structure or composition of atomic nuclei
  
• opacification go
  the process of becoming cloudy or opaque
  
• oscillation go
  the process of oscillating between states
  
• oxygenation go
  the process of providing or combining or treating with oxygen
  
• pair production, pair creation, pair formation go
  the transformation of a gamma-ray photon into an electron and a positron when the photon passes close to an atomic nucleus
  
• phase change, phase transition, state change, physical change go
  a change from one state (solid or liquid or gas) to another without a change in chemical composition
  
• precession of the equinoxes go
  a slow westward shift of the equinoxes along the plane of the ecliptic caused by precession of the Earth's axis of rotation
  
• release go
  a process that liberates or discharges something
  
• saltation go
  (geology) the leaping movement of sand or soil particles as they are transported in a fluid medium over an uneven surface
  
• scattering go
  the physical process in which particles are deflected haphazardly as a result of collisions
  
• sericulture go
  raising silkworms in order to obtain raw silk
  
• sink go
  (technology) a process that acts to absorb or remove energy or a substance from a system
  
• soak, soaking, soakage go
  the process of becoming softened and saturated as a consequence of being immersed in water (or other liquid)
  
• softening go
  the process of becoming softer
  
• sorption go
  the process in which one substance takes up or holds another (by either absorption or adsorption)
  
• source go
  (technology) a process by which energy or a substance enters a system
  
• stiffening, rigidifying, rigidification go
  the process of becoming stiff or rigid
  
• stimulation go
  (physiology) the effect of a stimulus (on nerves or organs etc.)
  
• succession, ecological succession go
  (ecology) the gradual and orderly process of change in an ecosystem brought about by the progressive replacement of one community by another until a stable climax is established
  
• selection, survival, survival of the fittest, natural selection go
  a natural process resulting in the evolution of organisms best adapted to the environment
  
• synergism, synergy go
  the working together of two things (muscles or drugs for example) to produce an effect greater than the sum of their individual effects
  
• temperature change go
  a process whereby the degree of hotness of a body (or medium) changes
  
• transduction go
  the process whereby a transducer accepts energy in one form and gives back related energy in a different form
  
• transpiration go
  the passage of gases through fine tubes because of differences in pressure or temperature
  
• vitrification go
  the process of becoming vitreous