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Oort Cloud
Definition of Oort Cloud
1.
(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
Noun
Semanticaly linked words with "oort cloud"
astronomy
uranology
accumulation
aggregation
assemblage
collection
Hyponims for word "oort cloud"
accumulation
aggregation
assemblage
collection