Definition of heliostat in English:

heliostat

Line breaks: helio|stat
Pronunciation: /ˈhiːlɪə(ʊ)stat
 
/

noun

  • An apparatus containing a movable mirror, used to reflect sunlight in a fixed direction.
    More example sentences
    • One is the ‘power tower,’ in which thousands of heliostats, or movable mirrors, beam sunlight up to a central tower, powering steam turbines.
    • A heliostat (a rotating mirror used to track the Sun) may be used to reflect an image horizontally into a camera.
    • Illumination came from sunlight reflected by a heliostat placed outside of a window on the fourth floor.

More definitions of heliostat

Definition of heliostat in:

Get more from Oxford Dictionaries

Subscribe to remove adverts and access premium resources

Word of the day kerf
Pronunciation: kəːf
noun
a slit made by cutting with a saw