English word siderostat comes from English sidero-, English -stat
| Dictionary entry | Language | Definition |
|---|---|---|
| sidero- | English (eng) | Related to stars or constellations, as sidereal relationships. Related to iron or steel, as in siderosis (fibrosis caused by iron deposits). |
| -stat | English (eng) | Forming nouns naming scientific instruments that act to render the prefixed element stationary or static in some respect. |
| siderostat | English (eng) | (astronomy) A heliostat that may be used with stars as well as the sun. |