heliostat

[hee-lee-uh-stat]
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noun

an instrument consisting of a mirror moved by clockwork, for reflecting the sun's rays in a fixed direction.

Nearby words

  1. heliophyte,
  2. heliopolis,
  3. helios,
  4. helioscope,
  5. heliosphere,
  6. heliotaxis,
  7. heliotherapy,
  8. heliotrope,
  9. heliotropic,
  10. heliotropin

Origin of heliostat

From the New Latin word heliostata, dating back to 1740–50. See helio-, -stat

Related formshe·li·o·stat·ic, adjective

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for heliostat



British Dictionary definitions for heliostat

heliostat

noun

an astronomical instrument used to reflect the light of the sun in a constant direction
Derived Formsheliostatic, adjective

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012