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photoheliograph

[ foh-tuh-hee-lee-uh-graf, -grahf ]

noun

, Astronomy.
  1. an instrument for photographing the sun, consisting of a camera and a specially adapted telescope.

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Other Words From

  • pho·to·he·li·o·graph·ic [foh-t, uh, -hee-lee-, uh, -, graf, -ik], adjective
  • pho·to·he·li·og·ra·phy [foh-t, uh, -hee-lee-, og, -r, uh, -fee], noun

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Word History and Origins

Origin of photoheliograph1

First recorded in 1860–65; photo- + heliograph

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