propagation
pronunciation
How to pronounce propagation in British English:
UK [ˌprɒpə'ɡeɪʃn]
How to pronounce propagation in American English:
US [ˌprɑpəˈɡeʃən]
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- Noun:
- the spreading of something (a belief or practice) into new regions
- the act of producing offspring or multiplying by such production
- the movement of a wave through a medium
Word Origin
- propagation (n.)
- mid-15c., from Old French propagacion "offshoot, offspring" (13c.) and directly from Latin propagationem (nominative propagatio) "a propagation, extension, enlargement," noun of action from past participle stem of propagare "set forward, extend, spread, increase; multiply plants by layers, breed," from propago (genitive propaginis) "that which propagates, offspring," from pro- "forth" (see pro-) + *pag-, root of pangere "to fasten" (see pact).
Example
- 1. The refractive index of ice crystals depends upon the polarization and propagation direction of a beam of light .
- 2. The argument goes like this . Many plants depend on fire for their propagation .
- 3. I am careful to point this out , because it 's easy to mistake them for an organisation dedicated to the promotion of sex with vegetables or the propagation of self-loathing , misogyny and pamela anderson .
- 4. The scientists checked records for vulnerable faces of the antarctic coast and studied models of the likely wave propagation .
- 5. A fuller understanding of the propagation of sound waves had to wait until more elaborate mathematical techniques were developed .