English
Etymology
From Ancient Greek ἀπό (apó, “away”) + Ἑρμῆς (Hermês, “Hermes/Mercury, messenger of the gods”).
Noun
apoherm (plural apoherms)
- (astronomy) In an orbit around the planet Mercury, the point that is most distant from Mercury.
Antonyms
- (antonym(s) of “a point in an orbit around the planet Mercury”): periherm
See also
References
Anagrams