Of process.   May also be referred to as activity, natural action and natural process.

A process existing in or produced by nature (rather than by the intent of human beings); "the action of natural forces"; "volcanic activity".

This concept's ID is @1~67760


  • nuclear reaction 7 facts

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

  • diffusion 3 facts

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

  • absorption 0 facts

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


  • geological process 11 facts

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

  • saltation 0 facts

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

Also contains

  • chemical process 41 facts

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

  • flow 7 facts

    Any uninterrupted stream or discharge.

  • extraction 5 facts

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

  • decay 5 facts

    The process of gradually becoming inferior.

  • phase change 4 facts

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

  • extinction 2 facts

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

  • electrophoresis 2 facts

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

  • chromatography 2 facts

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

  • feedback 2 facts

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

  • curdling 2 facts

    The process of forming semisolid lumps in a liquid.

  • formation 2 facts

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

  • dissolution 2 facts

    Separation into component parts.

  • centrifugation 1 facts

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

  • release 1 facts

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

  • radiation 1 facts

    The spread of a group of organisms into new habitats.

  • oscillation 1 facts

    The process of oscillating between states.

  • drift 1 facts

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

  • filtration 1 facts

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

  • fossilization 1 facts

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

  • hardening 1 facts

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

  • demagnetization 1 facts

    The process of removing magnetization.

  • inactivation 0 facts

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

  • effervescence 0 facts

    The process of bubbling as gas escapes.

  • opacification 0 facts

    The process of becoming cloudy or opaque.

  • acidification 0 facts

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

  • establishment 0 facts

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

  • concretion 0 facts

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

  • ionization 0 facts

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

  • condensation 0 facts

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

  • ion exchange 0 facts

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

  • oxygenation 0 facts

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

  • adiabatic process 0 facts

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

  • pair production 0 facts

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

  • convection 0 facts

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

  • aeration 0 facts

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

  • leach 0 facts

    The process of leaching.

  • flocculation 0 facts

    The process of flocculating; forming woolly cloudlike aggregations.

  • antiredeposition 0 facts

    The process of preventing redeposition.

  • magnetization 0 facts

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

  • precession of the equinoxes 0 facts

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

  • materialization 0 facts

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

  • desorption 0 facts

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

  • distillation 0 facts

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

  • capture 0 facts

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

  • capture 0 facts

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

This concept has too many facts and some have been omitted from this Knowledge Card view.