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areocentric
areocentric adj. 
/ˌɛrioʊˈsɛntrɪk/ having Mars as centre.
Brit. /ˌɛːrɪə(ʊ)ˈsɛntrɪk/
, /ˌɛːrɪə(ʊ)ˈsɛntrɪk/U.S. /ˌɛriəˈsɛntrɪk/
, /ˌɛriəˈsɛntrɪk//ˌɛrioʊˈsɛntrɪk/ΘΚΠ
the world > the universe > planet > primary planet > superior planet > [adjective] > Mars > as centre
areocentric1877
1877 D. Gill in Mem. R. A. S. XLVI. 94 The areocentric angle between the Earth and the Sun.
1878 S. Newcomb Pop. Astron. 566 Hourly motion in areocentric longitude.
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