Definition of propagation in English:



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’
    • ‘The three propagation methods will produce a new lily plant identical to the parent.’
    • ‘He imported 15,000 olive tree cuttings for propagation.’
    • ‘If an orchard is found to be infected, the source might be the mother trees used for propagation.’
    • ‘Propagation techniques, such as grafting, have been easily mastered by the farmers.’
    • ‘Improved management of the genetics of small captive populations is beginning to make propagation more successful.’
    • ‘We had plants in the propagation tunnel for a short time.’
    • ‘He also developed a double wall insulated hive box and was one of the first to try splitting nests as a propagation technique.’
    • ‘A mussel propagation facility is being considered by the national park.’
    • ‘Vegetative propagation is used because garlic flowers are sterile and will not produce true seed.’
    • ‘She is sure to bring tools like loppers and shovels to gather plant material for propagation.’
    1. 1.1 Reproduction by natural processes.
      ‘hunting regulations ensure the propagation of the species’
      ‘asexual propagation is the primary mode of reproduction’
      • ‘The dominant instinct in every species is the survival and propagation of that species, and the urge to reproduce is paramount.’
      • ‘The advantage of asexual propagation to farmers is that the crops will be more uniform than those produced from seed.’
      • ‘The worm also harvests to further its propagation.’
      • ‘The fruits of this lime have seeds, and propagation is usually from these seeds.’
      • ‘Chip budding is one of the primary grafting methods used for the asexual propagation of woody plants.’
      • ‘Some, including the honey bee, are important pollinators essential for the propagation of plants.’
      • ‘This seed dispersal often leads to the propagation of new plants.’
      • ‘At least 19 species have been reintroduced into the wild after captive propagation.’
      • ‘Sex is the engine that drives creation, ensuring propagation of the race and ultimate survival of the species.’
      • ‘People genetically act for the sake of propagation of their own genes.’
  • 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’
    • ‘They were entrusted with the defence and propagation of the Buddhist faith.’
    • ‘The propagation of new information should happen from one end of the supply chain to the other, overnight.’
    • ‘A religious art must dedicate itself to a propagation of the divine message.’
    • ‘The propagation of this globalisation ideology has become like an act of faith.’
    • ‘Many aspects of cultural production and the rise of the creative industries are central to the continued propagation of a consumer society.’
    • ‘Several student organizations have evolved to provide forums for the discussion and wider propagation of issues fundamental to improving educational opportunities.’
    • ‘The propagation of new ideas was what the authorities particularly wished to avoid.’
    • ‘Such a structure is ideal for the study of the propagation of information.’
    • ‘All buses are equipped with radios to ensure the immediate propagation of bad news.’
    • ‘They must understand that one of their functions is to ensure the sustained propagation of the Sikh religion.’
  • 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 features of sound and recordings demonstrate the phenomenon of sound propagation in a compressible medium.’
    • ‘The semi-circular design of Greek and Roman amphitheatres clearly indicates a fundamental understanding of the spherical propagation of sound.’
    • ‘The cell membrane was found to be the most sensitive to the shock wave propagation among the cell components.’
    • ‘He asserted that space relations are based on the causal propagation of a signal.’
    • ‘The wave analogy is similar to the propagation of an acoustic wave in air.’
    • ‘Wind shear and temperature gradients influence the acoustic propagation of sound.’
    • ‘Recently he has focused on numerical modeling of seismic wave propagation.’
    • ‘The field equations governing the propagation and interaction of these particles are different.’
    • ‘Radio wave propagation extends beyond optical line of sight.’
    • ‘Toughness is the material resistance to crack propagation.’