Associations to the word «Heliograph»

Wiktionary

HELIOGRAPH, noun. An apparatus for signalling by means of a moveable mirror which reflects flashes of sunlight.
HELIOGRAPH, noun. A heliogram.
HELIOGRAPH, noun. An instrument for measuring the intensity of sunlight.
HELIOGRAPH, noun. A device for photographing the sun.
HELIOGRAPH, noun. (obsolete) A photograph.
HELIOGRAPH, verb. (transitive) To send a message by heliograph.
HELIOGRAPH, verb. (intransitive) To send a heliograph.
HELIOGRAPH, verb. (transitive) (dated) To photograph by sunlight.

Dictionary definition

HELIOGRAPH, noun. An apparatus for sending telegraphic messages by using a mirror to turn the sun's rays off and on.
HELIOGRAPH, verb. Signal by means of a mirror and the using the sun's rays.

Wise words

The chief virtue that language can have is clearness, and nothing detracts from it so much as the use of unfamiliar words.
Hippocrates