Meaning of PROPAGATION in English

ˌ ̷ ̷ ̷ ̷ˈgāshən noun

( -s )

Etymology: Middle English propagacyon, from Middle French propagation, from Latin propagation-, propagatio, from propagatus (past participle of propagare ) + -ion-, -io -ion

1. : the act or action of propagating: as

a. : natural reproduction : production of young : natural increase (as a kind of organism) in numbers : procreation

propagation of a pure culture of bacteria

vegetative propagation of chrysanthemums

b. : the spreading of something (as a belief, ideal, practice) abroad or into new regions : dissemination

c. : the transmission of a form of wave energy (as light, sound, radio wave) through space or along a path

d. : enlargement or extension (as of a crack) in a solid body

propagation under stress of a flaw in glass

2. obsolete : offspring , breed

• prop·a·ga·tion·al | ̷ ̷ ̷ ̷|gāshən ə l, -shnəl adjective

Webster's New International English Dictionary.      Новый международный словарь английского языка Webster.