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Oceanic
oceanic
oceanic ridge
oceanic trench
Oceanid
oceanography
oceanology
Oceanside
Oceanus Procellarum
ocellated
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Oceanus Procellarum

O·ce·a·nus Pro·cel·lar·um [ ssee nəss pròssə lrəm ] vast lunar lowland plain stretching between Mare Imbrium and Mare Humorum, visible as a dark area in the northwestern quadrant of the Moon.
Area: 2,000,000 sq km (775,000 sq mi.) 
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