Definition for planetary - Oxford Dictionaries Online (World English)

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	planetary (planet\|ary) Pronunciation: /ˈplanɪt(ə)ri/ adjective relating or belonging to a planet or planets: a planetary system the laws of planetary motion relating to the earth as a planet: planetary air pollution and climatic change Origin: late 16th century: from late Latin planetarius 'relating to the planets' (recorded only as a noun meaning 'astrologer'), from planeta 'planet'		Search results in the dictionary planetary gear (also planetary wheel) planetary nebula interplanetary planetary wheel in planetary gear (also planetary wheel) More results » More words in this category aurora background radiation Carina diogenite Dione dwarf planet epact epsilon gegenschein Libra mare 2 Milky Way Northern Lights nucleosynthesis Pointers retrogradation scale 2 southing spicule syzygy Nearby Words plane ⁴ plane polarization plane sailing plane table planeload planer planesman planet planetarium planetary planetary gear planetary nebula planetesimal planetfall planetoid planform plangent planification planigale