planetdom en · NOUN
Etymology
Etymology tree English planet Proto-Indo-European *dʰeh₁- Proto-Indo-European *-mos Proto-Indo-European *dʰóh₁mos Proto-Germanic *dōmaz Proto-Germanic *-dōmaz Proto-West Germanic *-dōm Old English -dōm Middle English -dom English -dom English planetdom From planet + -dom.
Meanings
-
(uncommon, uncountable) Those things that are planets; the state of being a planet.
One day our System in its progress through space neared these lost Children of the Mist … such incorrigible vagrants, were enough to corrupt the habits of the staidest young family in Planetdom.
1873, Enoch Fitch Burr, Pater Mundi: Or, Doctrine of Evolution., Holmes Noyes, pages 233-234Back in the 19-th century the asteroid Ceres was demoted from planetdom.
2006 August 29, Manny Feld, “Re: solar system”, in talk.origins (Usenet):What did the Chisters say when Ceres was demoted from planetdom back in the 19th century?
2006 August 26, Wendel Fendel, “Re: Pluto's a dwarf”, in talk.origins (Usenet):[...] yesterday, its members voted to drop Pluto from the ranks of planetdom.
2006 August 25, Ira Flatow, “Pluto”, in Science Friday, National Public Radio: