Definition

1. Noun:
   • The movement of a wave through a medium: The process by which a wave (such as sound, light, or radio) travels through a material or space.
   • The act of producing offspring or multiplying by such production: The biological process of generating new individuals, often referring to plants.
   • The spreading of something (a belief or practice) into new regions: The dissemination or transmission of ideas, customs, or information to a wider area or audience.

Usage Examples

• Noun (Wave Movement):
  • The propagation of sound is slower in air than in water.
  • Engineers study the propagation of radio waves for better communication.
• Noun (Biological Production):
  • The propagation of this plant species is often done through cuttings.
  • Seed propagation is a common method for growing new trees.
• Noun (Spreading of Ideas/Practices):
  • The rapid propagation of the news was due to social media.
  • The propagation of scientific knowledge is essential for progress.

Advanced Usage

• "Propagation delay": In electronics and networking, the time it takes for a signal to travel from a source to a receiver.
  • Network engineers must account for propagation delay in satellite communications.
• "Vegetative propagation": A type of asexual reproduction in plants using vegetative parts like stems or leaves.
  • Farmers use vegetative propagation to grow genetically identical fruit trees.

Variants and Related Words

• Propagate (verb): To cause to spread or multiply.
  • The organization aims to propagate its core values among employees.
• Propagator (noun): A person or thing that propagates.
  • He was a key propagator of the new teaching method.

Synonyms

• Transmission: The act of passing something from one place or person to another (for wave/idea propagation).
• Dissemination: The act of spreading something, especially information, widely (for idea propagation).
• Reproduction: The production of offspring (for biological propagation).

Related Phrases

• "Wave propagation": The transmission of energy via waves.
  • The course covers the principles of wave propagation in different media.
• "Propagation of error": In mathematics and science, how uncertainties in measurements affect the result of a calculation.
  • The lab report required an analysis of the propagation of error.

Related Idioms

(Note: "Propagation" itself is not commonly used in idiomatic expressions. The related verb "propagate" is used in formal or technical contexts rather than in idioms.)

Noun

1. the movement of a wave through a medium
2. the act of producing offspring or multiplying by such production
3. the spreading of something (a belief or practice) into new regions