from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. The study of the physical features of the moon.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. the scientific study of the Moon's geographic features; geography of the Moon

from the GNU version of the Collaborative International Dictionary of English

  • n. The science that treats of the physical features of the moon; -- corresponding to physical geography in respect to the earth.

from The Century Dictionary and Cyclopedia

  • n. The scientific study of the moon: chiefly used with reference to study of the moon's physical condition, and especially the form and disposition of the elevations and depressions by which its surface is characterized.


selen- + -o- + -graphy (Wiktionary)



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