natural action

Noun

1.

natural action - a process existing in or produced by nature (rather than by the intent of human beings); "the action of natural forces"; "volcanic activity" Synonyms: natural process, activity, action

absorption, acidification, action, activity, adiabatic process, aeration, antiredeposition, capture, cataphoresis, centrifugation, chemical action, chemical change, chemical process, chromatography, clotting, coagulation, concretion, condensation, convection, curdling, curing, decay, demagnetisation, demagnetization, desorption, dielectrolysis, diffusion, disintegration, dissolution, distillation, distillment, drift, ecesis, ecological succession, effervescence, electrophoresis, establishment, extinction, extraction, feedback, filtration, flocculation, flow, formation, fossilisation, fossilization, geologic process, geological process, hardening, ignition, inactivation, induction, ion exchange, ionisation, ionization, ionophoresis, leach, leaching, magnetic induction, magnetisation, magnetization, materialisation, materialization, natural process, natural selection, nuclear reaction, opacification, oscillation, oxygenation, pair creation, pair formation, pair production, phase change, phase transition, physical change, precession of the equinoxes, process, radiation, release, rigidification, rigidifying, saltation, scattering, selection, sericulture, set, sink, soak, soakage, soaking, softening, solidification, solidifying, sorption, source, state change, stiffening, stimulation, succession, survival, survival of the fittest, synergism, synergy, temperature change, transduction, transpiration, vitrification