blue giant

noun

Definition of blue giant

astronomy

  1. :  a bluish star that has a high surface temperature and a diameter that is large relative to the sun Later, just a few thousand years before the supernova explosion, the red giant apparently lost some of its girth, forming a blue giant, which emits a faster, lower density wind. — Ron Cowen, Science News, 6 Mar. 1993 Blue giant is not a technical term and can be applied to a number of different types of stars, as long as they are large and hot enough to appear blue in the night sky. — compare red giant

Love words? You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.

Join MWU now and get access to America’s largest dictionary, with:

  • 300,000 words that aren't in our free dictionary
  • Expanded definitions, etymologies, and usage notes
  • Advanced search features
  • Ad free!

1922

First Known Use of blue giant

1922


Seen and Heard

What made you want to look up blue giant? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

a rounded knoll or a ridge of ice

Get Word of the Day daily email!