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giant star
giant starn. Any of several classes of highly luminous stars that are very massive, very large, or both.giant star n (Astronomy) any of a class of stars, such as Capella and Arcturus, that have swelled and brightened considerably as they approach the end of their life, their energy supply having changed. Sometimes shortened to: giant Compare supergiant gi′ant star′
n. a star having a diameter of from 10 to 100 times that of the sun, as Arcturus or Aldebaran. [1910–15] gi·ant star (jī′ənt) A very large, very bright star having high mass and low density.Thesaurus| Noun | 1. |  giant star - a very bright star of large diameter and low density (relative to the Sun)giantstar - (astronomy) a celestial body of hot gases that radiates energy derived from thermonuclear reactions in the interior |
giant star
giant star: see red giantred giant,
star that is relatively cool but very luminous because of its great size. All normal stars are expected to pass eventually through a red-giant phase as a consequence of stellar evolution.
..... Click the link for more information. .giant star[¦jī·ənt ′stär] (astronomy) One of a class of stars that is 20 or 30 or more times larger than the sun and over 100 times more luminous. MedicalSeegiantgiant star
Related to giant star: red giant star, Supergiant StarSynonyms for giant starnoun a very bright star of large diameter and low density (relative to the Sun)SynonymsRelated Words |