Associations to the word «Heliograph»

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.

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.