APHELION Meaning of APHELION in English (pl. aphelia) the point in a body's orbit where it is furthest from the sun (opp. PERIHELION). °Symb.: Q. [ Graecized f. mod.L aphelium f. Gk aph' heliou from the sun ] Concise Oxford English dictionary. Краткий оксфордский словарь английского языка. 2012