propagation (n.)
- airing
- attenuation
- book
- breeding
- broadcast
- broadcasting
- circulation
- crossbreeding
- diffraction
- diffusion
- dilution
- dispensation
- dispersal
- dispersion
- display
- dissemination
- dissipation
- distribution
- divergence
- endogamy
- evaporation
- expansion
- fragmentation
- generation
- inbreeding
- issuance
- issue
- multiplication
- periodical
- printing
- procreation
- proliferation
- promulgation
- publication
- publishing
- radiation
- scattering
- spattering
- splay
- spread
- spreading
- sprinkling
- strewing
- telecasting
- ventilation
