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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Molten Salt Thermal Storage Molten salt can retain heat for a long time, so it's generally found in solar thermal plants, where dozens or hundreds of heliostats (large mirrors) use the heat from sunlight to create energy.
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The facility consists of an array of heliostats—or panels that reflect sunlight onto a thermal tower—and a molten salt tank.
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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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Gary Poliquin of Lake Zurich was another astronomical society member who set up a simple heliostat, which bounced the image through a lens and then onto a large screen about 40 feet away.
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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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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.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'heliostat.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
Origin and Etymology of heliostat
Learn More about heliostat
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See words that rhyme with heliostat Britannica.com: Encyclopedia article about heliostat
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