heliograph


he·lio·graph

noun \-ˌgraf\

Definition of HELIOGRAPH

:  an apparatus for telegraphing by means of the sun's rays flashed from a mirror
heliograph transitive verb

Origin of HELIOGRAPH

International Scientific Vocabulary
First Known Use: 1877

Browse

Next Word in the Dictionary: heliographic
Previous Word in the Dictionary: heliogram
All Words Near: heliograph

Seen & Heard

What made you want to look up heliograph? Please tell us where you read or heard it (including the quote, if possible).