Definify.com
Webster 1913 Edition
Photoheliograph
Phoˊto-he′li-o-graph
,Noun.
[
Photo-
+ heliograph
.] (Physics)
A modified kind of telescope adapted to taking photographs of the sun.
Definition 2024
photoheliograph
photoheliograph
English
Noun
photoheliograph (plural photoheliographs)
- A heliograph, with a camera attached, used to photograph the Sun