Word.ws English Dictionary

guide star

guide star noun: a reference star that is used to maintain the alignment and tracking of a telescope (as the Earth rotates).

Noun

guide star (plural guide stars)

  1. A reference star that is used to maintain the alignment and tracking of a telescope (as the Earth rotates)

Forms of guide star

pluralguide stars

Questions about guide star

What does guide star mean?
Guide star means a reference star that is used to maintain the alignment and tracking of a telescope (as the Earth rotates).
What part of speech is guide star?
Guide star is a noun.
What is the plural of guide star?
The plural of guide star is guide stars.

Words near guide star in the dictionary

  1. guide rails
  2. guide rope
  3. guide ropes
  4. guide shoe
  5. guide shoes
  6. guide star
  7. guide stars
  8. guide word
  9. guide words
  10. guide-post
  11. guideboard

Source and license

Adapted from Wiktionary: guide star (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

Last updated:

Cite this entry: “guide star.” Word.ws, https://word.ws/guide_star. Based on Wiktionary, CC BY-SA 4.0.