heliostat

[ hee-lee-uh-stat ]
/ ˈhi li əˌstæt /

noun

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

Origin of heliostat

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

OTHER WORDS FROM heliostat

he·li·o·stat·ic, adjective

Example sentences from the Web for heliostat

British Dictionary definitions for heliostat

heliostat
/ (ˈhiːlɪəʊˌstæt) /

noun

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

Derived forms of heliostat

heliostatic, adjective