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perihermion. In DICTIOUS you will not only get to know all the dictionary meanings for the word
perihermion, but we will also tell you about its etymology, its characteristics and you will know how to say
perihermion in singular and plural. Everything you need to know about the word
perihermion you have here. The definition of the word
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English
Etymology
From peri- + hermeo- + -ion.
Noun
perihermion
- Periapsis around Mercury.
2012 October, M Kobayashi, H Shibata, K Nogami, M Fujii, T Miyachi, H Ohashi, S Sasaki, T Iwai, M Hattori, H Kimura, T Hirai, S Takechi, H Yano, S Hasegawa, R Srama & E Gru:n, “Mercury dust monitor for the BepiColombo MMO”, in International Workshop of Instrumentation for Planetary Missions:The MMO will be in an elliptic orbit around Mercury with the perihermion of 600 km and the aphermion of 11624 km.