English dictionary
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English noun: rarefaction | |||
| 1. | rarefaction (event) a decrease in the density of something | ||
| Samples | A sound wave causes periodic rarefactions in its medium. | ||
| Broader (hypernym) | concentration | ||
Based on WordNet 3.0 copyright © Princeton University.
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Web design: Orcapia v/Per Bang. English edition: .
2026 onlineordbog.dk