heliostat |
شمس قرار ۔ شمسی شعاع انداز ۔ ایک آلہ جس میں متحرک آئینہ لگا ہوتا ہے ۔ |
(1) - Heliostat (n.) An instrument consisting of a mirror moved by clockwork, by which a sunbeam is made apparently stationary, by being steadily directed to one spot during the whole of its diurnal period; also, a geodetic heliotrope. |
