English dictionary
oort cloud meaning and definition
Definition and meaning of oort cloud at MeaningMonkey.org. oort cloud meaning and definition in the English Dictionary.OORT CLOUD noun
Definition of Oort cloud (noun)
- (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
Source: Princeton University Wordnet