heliostat
/ˈhiːlɪə(ʊ)stat
/noun
An apparatus containing a movable mirror, used to reflect sunlight in a fixed direction.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.
- personality dynamics
- personality factor
- personality integration
- personality inventory
- personality profile
- personality system
- personality trait
- personality type
- personality variable
- personalization
- personalize
- personalized gun
- personalized medicine
- personal ledger
- personal liberty
- personal life
- personal loan
- personally
- personally conducted
- personal name
- personalness
- personal noun
- personal oath
- personal organizer
- personal pension