In science, a process is any method (or event) that results in a transformation in a physical or biological object, a substance or an organism. Some example of such processes are: activation, combustion, crystallization, centrifugation, diffraction, dispersion, distillation, electrolysis, electrophoresis, emulsification, evaporation, hydrolysis, nuclear fission, nuclear fusion, oxidation, phosphorescence, pyrolysis, reduction, reflection, refraction, scattering, sedimentation, sublimation are a few examples of common processes in physical sciences. Similarly, birth, cell division, fermentation, fertilization, germination, growth, geotropism, heliotropism, hybridization, metamorphosis, photosynthesis, transpiration are a few examples of biological processes.

See also

• Stochastic process
• Process group