double star Hear it!

double star definition

double star

  1. binary star
  2. two stars, along the same line of sight, that look like one star, or a binary star, but actually are very distant and physically unrelated; optical double

Webster's New World College Dictionary Copyright © 2005 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

Comments
Improve this definition.
Do you have more to add? Share your linguistic knowledge or observation.
/Register to save your comments.