heliostat

[ hee-lee-uh-stat ]

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

Origin of heliostat

1
From the New Latin word heliostata, dating back to 1740–50. See helio-, -stat

Other words from heliostat

  • he·li·o·stat·ic, adjective

Words Nearby heliostat

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024

How to use heliostat in a sentence

British Dictionary definitions for heliostat

heliostat

/ (ˈhiːlɪəʊˌstæt) /


noun
  1. an astronomical instrument used to reflect the light of the sun in a constant direction

Derived forms of heliostat

  • heliostatic, 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