Dictionary.com
definitions
  • synonyms

planetology

[plan-i-tol-uh-jee]
See more synonyms on Thesaurus.com
noun
  1. the branch of astronomy that deals with the physical features of the planets.
Show More

Origin of planetology

First recorded in 1905–10; planet + -o- + -logy
Related formsplan·e·to·log·i·cal [plan-i-tl-oj-i-kuh l] /ˌplæn ɪ tlˈɒdʒ ɪ kəl/, adjectiveplan·e·tol·o·gist, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for planetology

planetology

noun
  1. astronomy the study of the origin, composition, and distribution of matter in the planets
Show More
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