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selenology

American  
[sel-uh-nol-uh-jee] / ˌsɛl əˈnɒl ə dʒi /

noun

  1. the branch of astronomy that deals with the nature and origin of the physical features of the moon.

selenology British  
/ ˌsiːlɪˈnɒlədʒɪ, sɪˌliːnəʊˈlɒdʒɪkəl /

noun

  1. the branch of astronomy concerned with the moon, its physical characteristics, nature, origin, etc

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

  • selenological adjective
  • selenologist noun

Etymology

Origin of selenology

First recorded in 1815–25; seleno- + -logy

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.