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Montes Riphaeus

American

[mon-teez rif-ee-uhs] / ˈmɒn tiz ˈrɪf i əs /

noun

a mountain range in the third quadrant of the visible face of the moon.

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.