Mare Humorum

[ hyoo-mer-uhm, hyoo-mawr-, -mohr- ]

noun
  1. (Sea of Moisture) a dark plain in the third quadrant of the face of the moon: about 45,000 sq. mi. (117,000 sq. km).

Words Nearby Mare Humorum

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024

How to use Mare Humorum in a sentence

  • Toward the southeast appears the notably dark, rounded area of the Mare Humorum inclosed by highlands and rings.

    Pleasures of the telescope | Garrett Serviss
  • Vitello has a bright central mountain and gains conspicuousness from its position at the edge of the dark Mare Humorum.

    Pleasures of the telescope | Garrett Serviss
  • Mersenius is a very conspicuous ring, forty miles in diameter, east of the Mare Humorum.

    Pleasures of the telescope | Garrett Serviss