derotator

English

Etymology

From de- +‎ rotator.

Noun

derotator (plural derotators)

  1. (astronomy) Any optical, electronic or digital device that corrects for the rotation of an image or field of view as a telescope tracks
This article is issued from Wiktionary. The text is available under Creative Commons Attribution-Share Alike 4.0 unless otherwise noted. Additional terms may apply for the media files.