periherm

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English[edit]

Etymology[edit]

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

Noun[edit]

periherm (plural periherms)

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

Antonyms[edit]

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

See also[edit]

References[edit]

  • BepiColombo Mission [1]
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