heliostat

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Noun

heliostat (plural heliostats)

1. A device that includes a plane mirror which turns so as to keep reflecting sunlight toward a predetermined target, compensating for the sun's apparent motions in the sky. The target may be a physical object, distant from the heliostat, or a direction in space, and is almost always stationary relative to the heliostat, so the light is reflected in a fixed direction.

Translations

• French: héliostat
• German: Heliostat
• Italian: eliostato
• Spanish: heliostato, helióstato

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