planetology

noun

plan·​et·​ol·​o·​gy ˌpla-nə-ˈtä-lə-jē How to pronounce planetology (audio)
plural planetologies
: a branch of astronomy that deals with the condensed matter of the solar system and especially with the planets and their moons
planetological adjective
planetologist noun

Examples of planetology in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
As pictures and chemical readings start streaming in, Bell and other mission scientists will begin their comparative planetology. Corey S Powell, Discover Magazine, 14 May 2014

Word History

First Known Use

1865, in the meaning defined above

Time Traveler
The first known use of planetology was in 1865

Dictionary Entries Near planetology

Cite this Entry

“Planetology.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/planetology. Accessed 21 Nov. 2024.

Love words? Need even more definitions?

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