heliology التعريفات والمعاني == English == === Etymology === From helio- + -logy. === Noun === heliology (uncountable) (dated) heliophysics شارك هذه المقالة: Facebook Twitter WhatsApp LinkedIn كلمات ذات صلة heliologist heliolongitude heliolongitudinal heptalogy herbology hexology henology heliolongitudes heliological