coelostat

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noun

A device that rotates a telescope so as to keep its orientation constant with relation to the stars.

OriginLatin coelestis →
Scrabble 11
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Meanings

nouncoelostat (plural coelostats)

plural coelostats · alternative cælostat · alternative caelostat · alternative cœlostat

  1. astronomyA device that rotates a telescope so as to keep its orientation constant with relation to the stars.

Origin

  1. Latincoelestis“sky”
  2. Englishcoelostat

Related to Latin coelestis (“sky”), corrupted form of caelestis, + -stat.

More words from Latin

Full word history & related roots →
Cite this entry
APA

coelostat. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/coelostat

MLA

“coelostat.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/coelostat. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “coelostat,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/coelostat.

Source: coelostat on Wiktionary, CC BY-SA 4.0.