Definition of heliolithic
1
: marked by, observing, or associated with practices (as sun worship and the erection of megaliths) held by some diffusionists to constitute a single widespread neolithic culture originating in Egypt
- heliolithic culture
- heliolithic peoples
- heliolithic monuments
2
: postulating an Egyptian origin for heliolithic traits found as the basis of higher culture in many parts of the world
- the heliolithic theory
