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A hypothetical planet sharing an orbit with the earth, but on the opposite side of the sun.
Definition source: English Wiktionary via Wiktextract
Usage: no-plural
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
Alternative form of counter-earth.
Definition source: English Wiktionary via Wiktextract
Usage: alt-of, alternative
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
Across languages
Translations
1 source translations are retained for this English entry.
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Ancient Greek:
ἀντίχθων
(antíkhthōn)
— a hypothetical planet sharing an orbit with the earth