Definition of Heliograph in English :
Define Heliograph in English
Heliograph meaning in English
Meaning of Heliograph in English
Pronunciation of Heliograph in English
Heliograph pronunciation in English
Pronounce Heliograph in English
Heliograph
see synonyms of heliographNoun
1. heliograph
an apparatus for sending telegraphic messages by using a mirror to turn the sun's rays off and on
Verb
2. heliograph
signal by means of a mirror and the using the sun's rays
WordNet Lexical Database for English. Princeton University. 2010.
Heliograph
see synonyms of heliographCollins English Dictionary. Copyright © HarperCollins Publishers
Heliograph
see synonyms of heliographWebster’s New World College Dictionary, 4th Edition. Copyright © 2010 by Houghton Mifflin Harcourt. All rights reserved.
Heliograph
see synonyms of heliographThe American Heritage ® Dictionary of the English Language, Fifth Edition copyright ©2018 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.