Mare Humorum

American  

[hyoo-mer-uhm, hyoo-mawr-, -mohr-] / ˈhyu mər əm, hyuˈmɔr-, -ˈmoʊr- /

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).

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Example Sentences

Several Italian streets, piazzas and lecture halls are named after him, as is a moon crater near the Mare Humorum.

From Scientific American • Aug. 16, 2023

A fine mountain range, the Percy Mountains, is connected with the E. flank of Gassendi, extending in a S.E. direction towards Mersenius, and defining the N.E. side of the Mare Humorum.

From The Moon A Full Description and Map of its Principal Physical Features by Elger, Thomas Gwyn

The Percy Mountains.—This name is given to the bright highlands extending east of Gassendi towards Mersenius, forming the north-eastern border of the Mare Humorum.

From The Moon A Full Description and Map of its Principal Physical Features by Elger, Thomas Gwyn

Mersenius is a very conspicuous ring, forty miles in diameter, east of the Mare Humorum.

From Pleasures of the telescope An Illustrated Guide for Amateur Astronomers and a Popular Description of the Chief Wonders of the Heavens for General Readers by Serviss, Garrett Putman

Close to this lies Mare Humorum, the Sea of Humors, where we sail about, the sport of each fitful breeze, "everything by starts and nothing long."

From All Around the Moon by Roth, Edward