coelostat

English

Alternative forms

  • cælostat, caelostat (rare)
  • cœlostat

Etymology

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

Noun

coelostat (plural coelostats)

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