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planetology

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Planetology
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plan⋅e⋅tol⋅o⋅gy

  [plan-i-tol-uh-jee]
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–noun
the branch of astronomy that deals with the physical features of the planets.
Origin:
1905–10; planet + -o- + -logy

Related forms:
plan⋅e⋅to⋅log⋅i⋅cal  [plan-i-tl-oj-i-kuhl] , adjective
plan⋅e⋅tol⋅o⋅gist, noun
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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Planetology
By Tom Jones. Only $23.10 Free shipping on orders over $25
Amazon.com/ScienceBooks
plan·e·tol·o·gy   (plān'ĭ-tŏl'ə-jē)   
n.  The branch of astronomy that deals with the planets of the solar system.
plan'e·to·log'i·cal (plān'ĭ-tl-ŏj'ĭ-kəl) adj., plan'e·tol'o·gist n.
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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