S: (n) absorption (absorption%1:22:02::) ((physics) the process in which incident radiated energy is retained without reflection or transmission on passing through a medium) "the absorption of photons by atoms or molecules"
S: (n) diffusion (diffusion%1:22:00::) ((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)
S: (n) feedback (feedback%1:22:00::) (the process in which part of the output of a system is returned to its input in order to regulate its further output)
S: (n) formation (formation%1:22:00::) (natural process that causes something to form) "the formation of gas in the intestine"; "the formation of crystals"; "the formation of pseudopods"
S: (n) ion exchange (ion_exchange%1:22:00::) (a process in which ions are exchanged between a solution and an insoluble (usually resinous) solid; widely used in industrial processing)
S: (n) release (release%1:22:00::) (a process that liberates or discharges something) "there was a sudden release of oxygen"; "the release of iodine from the thyroid gland"
S: (n) saltation (saltation%1:22:00::) ((geology) the leaping movement of sand or soil particles as they are transported in a fluid medium over an uneven surface)
S: (n) sink (sink%1:22:00::) ((technology) a process that acts to absorb or remove energy or a substance from a system) "the ocean is a sink for carbon dioxide"
S: (n) softening (softening%1:22:00::) (the process of becoming softer) "refrigeration delayed the softening of the fruit"; "he observed the softening of iron by heat"
S: (n) transduction (transduction%1:22:00::) (the process whereby a transducer accepts energy in one form and gives back related energy in a different form) "the transduction of acoustic waves into voltages by a microphone"