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Rarefaction is the reduction of an item's density, the opposite of compression. Like compression, which can travel in waves (sound waves, for instance), rarefaction waves also exist in nature. A common rarefaction wave is the area of low relative pressure following a shock wave (see picture).
Physical examples, In philosophy & Overview
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waves sound wave time expansion compression reduction density like pressure shock also see example atmosphere rarefied area relative manufacturing philosophy
| Subject | Predicate | Object | Confidence | Src |
|---|---|---|---|---|
| Rarefaction | is a | reduction of an item's density | 0.90 | text |
| Rarefaction | related to In manufacturing | Modern | 0.60 | section |
| Rarefaction | related to In manufacturing | By | 0.60 | section |
| Rarefaction | related to In philosophy | Distinctions | 0.60 | section |
| Rarefaction | related to In philosophy | Anaximenes | 0.60 | section |
| Rarefaction | related to In philosophy | Aristotle's Physics | 0.60 | section |
| Rarefaction | related to Physical examples | Earth's | 0.60 | section |
| Rarefaction | related to Physical examples | Because | 0.60 | section |
| Rarefaction | related to Physical examples | Earth | 0.60 | section |
| Rarefaction | related to Physical examples | Therefore | 0.60 | section |
| Rarefaction | related to Physical examples | Thus | 0.60 | section |
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