Mare Tranquillitatis

US:USA pronunciation: respellingUSA pronunciation: respelling(trang kwil′i tä′tis)


WordReference Random House Unabridged Dictionary of American English © 2025
Ma′re Tran•quil•li•ta′tis  (trang kwil′i tä′tis),USA pronunciation 
  1. Astronomy(Sea of Tranquillity) a dark plain in the first quadrant of the face of the moon: about 110,000 sq. mi. (285,000 sq. km).

'Mare Tranquillitatis' also found in these entries (note: many are not synonyms or translations):
Sea of Tranquillity

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