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

Words are always getting conventionalized to some secondary meaning. It is one of the works of poetry to take the truants in custody and bring them back to their right senses.
William Butler Yeats