English dictionary
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English noun: Oort cloud | |||
| 1. | Oort cloud (group) (astronomy) a hypothetical huge collection of comets orbiting the sun far beyond the orbit of Pluto; perturbations (as by other stars) can upset a comet's orbit and may send it tumbling toward the sun | ||
| Broader (hypernym) | accumulation, aggregation, assemblage, collection | ||
| Domain category | astronomy, uranology | ||
Based on WordNet 3.0 copyright © Princeton University.
Web design: Orcapia v/Per Bang. English edition: .
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Web design: Orcapia v/Per Bang. English edition: .
2024 onlineordbog.dk