heliograph
19 points
English
10 letters
Not in frequency data
Valid in: UK dictionary
Definitions
noun
an apparatus for sending telegraphic messages by using a mirror to turn the sun's rays off and on
verb
signal by means of a mirror and the using the sun's rays
Definition: WordNet 3.1, Princeton University.
Word forms
plural heliographs
Forms from WordNet 3.1 morphology — every form attested in the dictionary.
Crossword clues
Anagrams
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