English

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Etymology

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de- +‎ planet +‎ -ize

Verb

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deplanetize (third-person singular simple present deplanetizes, present participle deplanetizing, simple past and past participle deplanetized)

  1. To declare something to not become a planet anymore.
    Pluto was deplanetized in 2006 by the International Astronomical Union when it was downgraded to a dwarf planet.