heliography

Definition from Wiktionary, the free dictionary
Jump to navigation Jump to search

English[edit]

Etymology[edit]

helio- +‎ -graphy

Noun[edit]

heliography (uncountable)

  1. The scientific study of the sun.
  2. The art of making a heliograph.
  3. The system of signalling by heliograph.
  4. (obsolete) Photography.