subgiant

noun

sub·​giant

"+

: a star of such color and luminosity that it falls above the main sequence of the spectrum-luminosity diagram yet is not in the region of ordinary giant stars

Word History

Etymology

sub- + 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.

Start your free trial today and get unlimited access to America's largest dictionary, with:

• More than 250,000 words that aren't in our free dictionary
• Expanded definitions, etymologies, and usage notes
• Advanced search features
• Ad free!