periherm

English

Etymology

From peri- +‎ Ἑρμῆς (Hermês, “Mercury”).

Noun

periherm (plural periherms)

  1. (astronomy) In an orbit around the planet Mercury, the point that is closest to Mercury.

Antonyms

  • (antonym(s) of “a point in an orbit around the planet Mercury”): apoherm

See also

References

  • BepiColombo Mission [1]
This article is issued from Wiktionary. The text is available under Creative Commons Attribution-Share Alike 4.0 unless otherwise noted. Additional terms may apply for the media files.