Share this entry

Share this page

siderostat

Line breaks: sid¦ero|stat
Pronunciation: /ˈsɪd(ə)rə(ʊ)stat
 
, ˈsʌɪ-/

Definition of siderostat in English:

noun

Astronomy
An instrument used for keeping the image of a celestial object in a fixed position.
Example sentences
  • The six mirrors, or siderostats, are mounted at regular intervals along a Y-shaped set of tubes.
  • The six imaging siderostats can be mounted on any one of the concrete piers apparent along the arms of the Y, providing the maximum baseline of 437 meters.
  • One array consists of four stationary astrometric siderostats with baselines between 18 m and 35 m, while the other contains six movable imaging siderostats with baselines up to 435 m.

Definition of siderostat in:

Share this entry

Share this page

 

What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.

Get more from Oxford Dictionaries

Subscribe to remove adverts and access premium resources

Word of the day jaunt
Pronunciation: dʒɔːnt
noun
a short excursion or journey made for pleasure