sel·​e·​nog·​ra·​phy | \ ˌseləˈnägrəfē \
plural -es

Definition of selenography

1 : the science of the physical features of the moon attention of astronomers was directed to other fields, and selenography … made no further progress— R. B. Baldwin
2 : the physical geography of the moon the first major treatise on descriptive selenography to appear in English for a quarter-century— Joseph Ashbrook

Love words?

You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.

Start your free trial today and get unlimited access to America's largest dictionary, with:

  • More than 250,000 words that aren't in our free dictionary
  • Expanded definitions, etymologies, and usage notes
  • Advanced search features
  • Ad free!

History and Etymology for selenography

selen- entry 1 + -graphy

Keep scrolling for more

Learn More About selenography

Dictionary Entries Near selenography

selenographic chart



See More Nearby Entries 

Statistics for selenography

Cite this Entry

“Selenography.” Dictionary, Merriam-Webster, Accessed 24 Oct. 2021.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon
Seen & Heard
People are talking about


Test Your Vocabulary

Dog Words Quiz

  • shiba puppy more or less demanding cuddles
  • Which of the following animals has a dog in its etymology?
True or False

Test your knowledge - and maybe learn something along the way.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!