(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 (noun.process)
the motion of charged particles in a colloid under the influence of an electric field; particles with a positive charge go to the cathode and negative more..the motion of charged particles in a colloid under the influence of an electric field; particles with a positive charge go to the cathode and negative to the anode(noun.process)
a process in which ions are exchanged between a solution and an insoluble (usually resinous) solid; widely used in industrial processing (noun.process)
the process of ionizing; the formation of ions by separating atoms or molecules or radicals or by adding or subtracting electrons from atoms by strong more..the process of ionizing; the formation of ions by separating atoms or molecules or radicals or by adding or subtracting electrons from atoms by strong electric fields in a gas(noun.process)
(ecology) the gradual and orderly process of change in an ecosystem brought about by the progressive replacement of one community by another until a s more..(ecology) the gradual and orderly process of change in an ecosystem brought about by the progressive replacement of one community by another until a stable climax is established(noun.process)
the bodily process of inhalation and exhalation; the process of taking in oxygen from inhaled air and releasing carbon dioxide by exhalation (noun.act)
(law) the acts performed by an English feudal tenant for the benefit of his lord which formed the consideration for the property granted to him (noun.act)
the science of matter; the branch of the natural sciences dealing with the composition of substances and their properties and reactions (noun.cognition)