Propagation model wildfire (English).svg
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Propagation can refer to: *
Chain propagation Chain propagation (sometimes referred to as propagation) is a process in which a reactive intermediate is continuously regenerated during the course of a chemical chain reaction. For example, in the chlorination of methane, there is a two-step p ...
in a chemical reaction mechanism * Crack propagation, the growth of a crack during the fracture of materials *
Propaganda Propaganda is communication that is primarily used to influence or persuade an audience to further an agenda, which may not be objective and may be selectively presenting facts to encourage a particular synthesis or perception, or using loaded ...
, non-objective information used to further an agenda *
Reproduction Reproduction (or procreation or breeding) is the biological process by which new individual organisms – "offspring" – are produced from their "parent" or parents. Reproduction is a fundamental feature of all known life; each individual or ...
, and other forms of multiplication or increase ** Plant propagation, the production of more plants **
Propagation of schema A schema () is a template in computer science used in the field of genetic algorithms that identifies a subset of strings with similarities at certain string positions. Schemata are a special case of cylinder sets, forming a basis for a product to ...
, in artificial reproduction *
Software propagation The GNU General Public License (GNU GPL or simply GPL) is a series of widely used free software licenses that guarantee end users the four freedoms to run, study, share, and modify the software. The license was the first copyleft for general u ...
, the distribution of free software *
Wave propagation Wave propagation is any of the ways in which waves travel. Single wave propagation can be calculated by 2nd order wave equation ( standing wavefield) or 1st order one-way wave equation. With respect to the direction of the oscillation relative to ...
, the motion of a wave ** Radio propagation, the application of wave propagation to radio communications ;In music * ''Propagation'' (album) *"Propagation", a song by Lower Dens from the album ''
Nootropics Nootropics ( , or ) (colloquial: smart drugs and cognitive enhancers, similar to adaptogens) are a wide range of natural or synthetic supplements or drugs and other substances that are claimed to improve cognitive function or to promote rela ...
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