heliostat

he·lio·stat

noun \ˈhē-lē-ə-ˌstat\

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

Origin of HELIOSTAT

New Latin heliostata, from ¹heli- + Greek -statēs -stat

First Known Use: 1747

Rhymes with HELIOSTAT

Angora cat, aristocrat, gerontocrat, go to the mat, humidistat, Jehoshaphat, kangaroo rat, magnificat, meritocrat, requiescat, Siamese cat, single combat, talk through one's hat, ten-gallon hat, thalassocrat, throw money at, under one's hat