[W/K] :: propagation

  Propagation \Prop`a*ga"tion\, n. [L. propagatio: cf. F.
     propagation.]
     [1913 Webster]
     1. The act of propagating; continuance or multiplication of
        the kind by generation or successive production; as, the
        propagation of animals or plants.
        [1913 Webster]
  
              There is not in nature any spontaneous generation,
              but all come by propagation.          --Ray.
        [1913 Webster]
  
     2. The spreading abroad, or extension, of anything;
        diffusion; dissemination; as, the propagation of sound;
        the propagation of the gospel. --Bacon.
        [1913 Webster]

  propagation
       n 1: the spreading of something (a belief or practice) into new
            regions [syn: extension]
       2: the act of producing offspring or multiplying by such
          production [syn: generation, multiplication]
       3: the movement of a wave through a medium

  62 Moby Thesaurus words for "propagation":
     airing, attenuation, bandying, begetting, book, breeding,
     broadcast, broadcasting, bruiting, bruiting about, circulation,
     circumfusion, crossbreeding, diffraction, diffusion, dilution,
     dispensation, dispersal, dispersion, display, dissemination,
     dissipation, dissogeny, distribution, divergence, endogamy,
     engenderment, evaporation, evulgation, expansion, fragmentation,
     generation, inbreeding, issuance, issue, linebreeding,
     multiplication, outbreeding, peppering, periodical, printing,
     procreation, proliferation, promulgation, publication, publishing,
     radiation, scattering, scatterment, shotgun pattern, sowing,
     spattering, splay, spread, spreading, spreading abroad, sprinkling,
     strewing, telecasting, ventilation, volatilization, xenogamy