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Heliodor

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• Heliogabalus

  [hee-lee-uh-gab-uh-luh s] /ˌhi li əˈgæb ə ləs/ noun 1. (Varius Avitus Bassianus”Marcus Aurelius Antoninus”) a.d. 204–222, Roman emperor 218–222. /ˌhiːlɪəʊˈɡæbələs/ noun 1. original name Varius Avitus Bassianus. ?204–222 ad, Roman emperor (218–222). His reign was notorious for debauchery and extravagance

• Heliogram

  [hee-lee-uh-gram] /ˈhi li əˌgræm/ noun 1. a message sent by a heliograph.

• Heliograph

  [hee-lee-uh-graf, -grahf] /ˈhi li əˌgræf, -ˌgrɑf/ noun 1. a device for signaling by means of a movable mirror that reflects beams of light, especially sunlight, to a distance. 2. Astronomy. . 3. Meteorology. an instrument for recording the duration and intensity of sunshine. 4. Photography, Printing. an early type of photoengraving made on a metal […]

• Heliographic

  [hee-lee-uh-graf, -grahf] /ˈhi li əˌgræf, -ˌgrɑf/ noun 1. a device for signaling by means of a movable mirror that reflects beams of light, especially sunlight, to a distance. 2. Astronomy. . 3. Meteorology. an instrument for recording the duration and intensity of sunshine. 4. Photography, Printing. an early type of photoengraving made on a metal […]

• Heliogravure

  [hee-lee-oh-gruh-vyoo r, -uh-grey-vyoo r] /ˌhi li oʊ grəˈvyʊər, -əˈgreɪ vyʊər/ noun, (formerly) 1. .

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