WordWeb Online

1. The spreading of something (a belief or practice) into new regions
   - extension
    
2. The act of producing offspring or multiplying by such production
   - generation, multiplication
    
3. The movement of a wave through a medium

Derived forms: propagations

See also: propagate, propagative

Type of: airing, breeding, dissemination, facts of life, physical phenomenon, procreation, public exposure, reproduction, spreading

Encyclopedia: Propagation