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K star

American  

noun

Astronomy.

  1. a relatively cool, orange-to-red star, as Aldebaran or Arcturus, having a surface temperature between 3500 and 5000 K and an absorption spectrum with strong lines of calcium and many neutral metals.

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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.

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