antichthon

English

Etymology

From Ancient Greek ἀντίχθων (antíkhthōn), from ἀντί (antí, “against, opposite”) +‎ χθών (khthṓn, “Earth”).

Noun

antichthon (plural antichthons) (optional capitalization)

1. (obsolete) A hypothetical Earth on the opposite side of the Sun.

   Synonym: counter-earth

Derived terms

• antichthonic

 

Translations

a hypothetical planet on the opposite side of the Sun

• Portuguese: Antiterra f

References

• “antichthon”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.