Propagation can refer to: Reproduction, and other forms of multiplication or increase Plant propagation, the production of more plants by seeds, cuttings, grafting or other methods Propagation of schema, in artificial reproduction Wave propagation, the motion of waves Radio propagation, the application of wave propagation to radio communications in chemistry, a description of the catalytically-driven process of polymer elongation Software propagation, the distribution of free software in a m… (More on Propagation)