heliograph
Use Heliograph in a sentence
li noun
1.
a device for signaling by means of a movable mirror that reflects beams of light, especially sunlight, to a distance.
2.
Astronomy, photoheliograph.
3.
Meteorology. an instrument for recording the duration and intensity of sunshine.
4.
Photography, Printing. an early type of photoengraving made on a metal plate coated with sensitized asphalt.
verb (used with object), verb (used without object)
5.
to communicate by heliograph.
00:10
Heliograph
is always a great word to know.
So is atmosphere. Does it mean:
| the gaseous envelope surrounding a heavenly body |
| the Water Bearer, a zodiacal constellation between Pisces and Capricornus |
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2013.
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Based on the Random House Dictionary, © Random House, Inc. 2013.
Cite This Source
|
Link To heliograph
Collins
World English Dictionary
heliograph (ˈhiːlɪəʊˌɡrɑːf, -ˌɡræf) ![[Click for IPA pronunciation guide]](http://static.sfdict.com/dictstatic/g/d/dictionary_questionbutton_default.gif) | |
| —n | |
| 1. | an instrument with mirrors and a shutter used for sending messages in Morse code by reflecting the sun's rays |
| 2. | a device used to photograph the sun |
| heliographer | |
| —n | |
| heliographic | |
| —adj | |
| helio'graphical | |
| —adj | |
| heli'ography | |
| —n | |
Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
Cite This Source
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
Cite This Source
Example sentences
One unique military experiment, the heliograph, was a device using mirrors and reflected sunlight.
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