Physics

• nuclear reaction

  (physics) a process that alters the energy or structure or composition of atomic...

• diffusion

  (physics) the process in which there is movement of a substance from an area of high concentration...

• absorption

  (physics) the process in which incident radiated energy is retained without reflection...

Geology

• geological process

  (geology) a natural process whereby geological features are modified.

• saltation

  (geology) the leaping movement of sand or soil particles as they are transported in a...

Also contains

• chemical process

  (chemistry) any process determined by the atomic and molecular composition and...

• flow

  Any uninterrupted stream or discharge.

• extraction

  The process of obtaining something from a mixture or compound by chemical or physical...

• decay

  The process of gradually becoming inferior.

• phase change

  A change from one state (solid or liquid or gas) to another without a change in chemical...

• extinction

  The reduction of the intensity of radiation as a consequence of absorption and radia...

• electrophoresis

  The motion of charged particles in a colloid under the influence of an electric...

• chromatography

  A process used for separating mixtures by virtue of differences in absorbency.

• feedback

  The process in which part of the output of a system is returned to its input in order to...

• curdling

  The process of forming semisolid lumps in a liquid.

• formation

  Natural process that causes something to form; "the formation of gas in the intestine";...

• dissolution

  Separation into component parts.

• centrifugation

  The process of separating substances of different densities by the use of a cent...

• release

  A process that liberates or discharges something; "there was a sudden release of oxygen";...

• radiation

  The spread of a group of organisms into new habitats.

• oscillation

  The process of oscillating between states.

• drift

  The gradual departure from an intended course due to external influences (as a ship or pl...

• filtration

  The process whereby fluids pass through a filter or a filtering medium.

• fossilization

  The process of fossilizing a plant or animal that existed in some earlier age; the...

• hardening

  The process of becoming hard or solid by cooling or drying or crystallization; "the hardening...

• demagnetization

  The process of removing magnetization.

• inactivation

  The process of rendering inactive; "the gene inactivation system"; "thermal inactivation...

• effervescence

  The process of bubbling as gas escapes.

• opacification

  The process of becoming cloudy or opaque.

• acidification

  The process of becoming acid or being converted into an acid.

• establishment

  (ecology) the process by which a plant or animal becomes established in a new hab...

• concretion

  The formation of stonelike objects within a body organ (e.g., the kidneys).

• ionization

  The process of ionizing; the formation of ions by separating atoms or molecules or radicals...

• condensation

  The process of changing from a gaseous to a liquid or solid state.

• ion exchange

  A process in which ions are exchanged between a solution and an insoluble (usually...

• oxygenation

  The process of providing or combining or treating with oxygen; "the oxygenation of the...

• adiabatic process

  (thermodynamics) any process that occurs without gain or loss of heat.

• pair production

  The transformation of a gamma-ray photon into an electron and a positron when the...

• convection

  (meteorology) the vertical movement of heat or other properties by massive motion within...

• aeration

  The process of exposing to air (so as to purify); "the aeration of the soil".

• leach

  The process of leaching.

• flocculation

  The process of flocculating; forming woolly cloudlike aggregations.

• antiredeposition

  The process of preventing redeposition.

• magnetization

  The process that makes a substance magnetic (temporarily or permanently).

• precession of the equinoxes

  A slow westward shift of the equinoxes along the plane of the ecliptic...

• materialization

  The process of coming into being; becoming reality; "the materialization of her...

• desorption

  Changing from an adsorbed state on a surface to a gaseous or liquid state.

• distillation

  The process of purifying a liquid by boiling it and condensing its vapors.

• capture

  A process whereby a star or planet holds an object in its gravitational field.

• capture

  Any process in which an atomic or nuclear system acquires an additional particle.