deplanetize

English

Etymology

de- +‎ planet +‎ -ize

Verb

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.