propagation
/prɒpəˈɡeɪʃ(ə)n
/noun [mass noun]
1The breeding of specimens of a plant or animal by natural processes from the parent stock: the propagation of plants by root cuttings [as modifier]: propagation techniques such as grafting...
- He imported 15,000 olive tree cuttings for propagation.
- Vegetative propagation is used because garlic flowers are sterile and will not produce true seed.
- If an orchard is found to be infected, the source might be the mother trees used for propagation.
1.1Reproduction by natural processes: hunting regulations ensure the propagation of the species asexual propagation is the primary mode of reproduction...
- People genetically act for the sake of propagation of their own genes.
- The dominant instinct in every species is the survival and propagation of that species, and the urge to reproduce is paramount.
- Some, including the honey bee, are important pollinators essential for the propagation of plants.
2The action of widely spreading and promoting an idea, theory, etc. a life devoted to the propagation of the Catholic faith the propagation of ideas was important...
- The propagation of new information should happen from one end of the supply chain to the other, overnight.
- Many aspects of cultural production and the rise of the creative industries are central to the continued propagation of a consumer society.
- A religious art must dedicate itself to a propagation of the divine message.
3Transmission of motion, light, sound, etc. in a particular direction or through a medium: the propagation of radio waves through space the physics of light propagation...
- The semi-circular design of Greek and Roman amphitheatres clearly indicates a fundamental understanding of the spherical propagation of sound.
- The features of sound and recordings demonstrate the phenomenon of sound propagation in a compressible medium.
- The wave analogy is similar to the propagation of an acoustic wave in air.