planetology
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About Our Definitions: All forms of a word (noun, verb, etc.) are now displayed on one page.plan·et·ol·o·gy
noun \ˌpla-nə-ˈtä-lə-jē\ plural plan·et·ol·o·gies
Definition of PLANETOLOGY
: a branch of astronomy that deals with the condensed matter of the solar system and especially with the planets and their moons
— plan·et·o·log·i·cal \ˌpla-nə-tə-ˈlä-ji-kəl\ adjective
— plan·et·ol·o·gist \ˌpla-nə-ˈtä-lə-jist\ noun
First Known Use of PLANETOLOGY
1907
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