Associations to the word «Coelostat»

Wiktionary

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

Dictionary definition

COELOSTAT, noun. Optical device used to follow the path of a celestial body and reflect its light into a telescope; has a movable and a fixed mirror.

Wise words

Words are always getting conventionalized to some secondary meaning. It is one of the works of poetry to take the truants in custody and bring them back to their right senses.
William Butler Yeats