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Mare Vaporum
[ vey-pawr-uhm, -pohr- ]
noun
- ( Sea of Vapors ) a dark plain in the first quadrant and near the center of the face of the moon: about 39,000 sq. mi. (101,000 sq. km).
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Example Sentences
South of the Mare Vaporum are found some of the most notable of those strange lunar features that are called "clefts" or "rills."
From Project Gutenberg
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