You searched for: “most heliographic”
heliographic (adjective), more heliographic, most heliographic
1. A reference to an apparatus that takes photographs of the sun.
2. Relating to an instrument that measures the intensity of sunlight.
This entry is located in the following units: grapho-, graph-, -graph, -graphy, -grapher, -graphia (page 43) helio-, heli- (page 2) -ic (page 60)