red giant

noun
Updated on: 19 Nov 2017

Definition of red giant

: a star that has low surface temperature and a diameter that is large relative to the sun

Recent Examples of red giant from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'red giant.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of red giant

1929


RED GIANT Defined for English Language Learners

red giant

noun

Definition of red giant for English Language Learners

  • astronomy : a very large star that has a reddish color


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