propagation

n. scattering, spreading; reproduction, procreation, generation; transmission of an inherited trait; increase in extension; dispersion, dissemination

Propagation can refer to:Reproduction, and other forms of multiplication or increasePlant propagation, the production of more plants by seeds, cuttings, grafting or other methodsPropagation of schema, in artificial reproductionWave propagation, the motion of waves Radio propagation, the application of wave propagation to radio communicationsin chemistry, a description of the catalytically-driven process of polymer elongationSoftware propagation, the distribution of free software in a manner explicitly permitted under the applicable licenseProselytisation, the practice of attempting to convert people to another opinion, usually another religion (see Society for the Propagation of the Faith)Propagation (album), a 1994 album by Robert RichPropaganda
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Noun
1. the spreading of something (a belief or practice) into new regions
(synonym) extension
(hypernym) dissemination, airing, public exposure, spreading
(derivation) propagate
2. the act of producing offspring or multiplying by such production
(synonym) generation, multiplication
(hypernym) reproduction, procreation, breeding, facts of life
(hyponym) biogenesis, biogeny
(derivation) propagate
3. the movement of a wave through a medium
(hypernym) physical phenomenon
(hyponym) Doppler effect, Doppler shift
(derivation) propagate

n. propagation, circulation; spread, pervasion

(n.)
The spreading abroad, or extension, of anything; diffusion; dissemination; as, the propagation of sound; the propagation of the gospel.
  

(n.)
The act of propagating; continuance or multiplication of the kind by generation or successive production; as, the propagation of animals or plants.