# siderostat

> English word · Noun

## Definitions
1. A heliostat that may be used with stars as well as the sun.

## Etymology
From sidero- + -stat.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/siderostat