'Propagation' definitions:

Definition of 'propagation'

From: WordNet
noun
The spreading of something (a belief or practice) into new regions [syn: propagation, extension]
noun
The act of producing offspring or multiplying by such production [syn: generation, multiplication, propagation]
noun
The movement of a wave through a medium

Definition of 'Propagation'

From: GCIDE
  • 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]