Definition of heliostat
: an instrument consisting of a mirror mounted on an axis moved by clockwork by which a sunbeam is steadily reflected in one direction
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Recent Examples of heliostat from the Web
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The observatory connects to a heliostat mounted outside, which tracks the sun and reflects light at the telescopes.
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The observatory connects to a heliostat mounted outside, which tracks the sun and reflects light at the telescopes.
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Origin and Etymology of heliostat
New Latin heliostata, from 1heli- + Greek -statēs -stat
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See words that rhyme with heliostat Britannica.com: Encyclopedia article about heliostat
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