- photoheliographic
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Of or pertaining to photoheliography or to a photoheliograph
Wikipedia foundation.
Wikipedia foundation.
photoheliograph — photoheliographic /foh teuh hee lee euh graf ik/, adj. photoheliography /foh teuh hee lee og reuh fee/, n. /foh teuh hee lee euh graf , grahf /, n. Astron. an instrument for photographing the sun, consisting of a camera and a specially adapted… … Universalium