heliography
noun
he·li·og·ra·phy
| \ ˌhēlēˈägrəfē\
plural -es
Definition of heliography
1
[ French héliographie, from hélio- 1heli- + -graphie -graphy ]
: an early photographic process producing a photoengraving on a metal plate coated with an asphalt preparation
broadly
: photography