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Noun propagation has 3 senses
- propagation, extension - the spreading of something (a belief or practice) into new regions
--1 is a kind of dissemination, airing, public exposure, spreading
- generation, multiplication, propagation - the act of producing offspring or multiplying by such production
--2 is a kind of reproduction, procreation, breeding, facts of life
--2 has particulars: biogenesis, biogeny
- propagation - the movement of a wave through a medium
--3 is a kind of physical phenomenon
--3 has particulars: Doppler effect, Doppler shift; wave front