Definition of heliocentric adjective from the Oxford Advanced Learner's Dictionary

 

heliocentric

 adjective
adjective
BrE BrE//ˌhiːliəˈsentrɪk//
 
; NAmE NAmE//ˌhiːliəˈsentrɪk//
 
(astronomy)
 
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with the sun as the centre the heliocentric model of the solar system
See the Oxford Advanced American Dictionary entry: heliocentric