WordNet
red giant star
n. a large cool star; has a relatively low surface temperature and a diameter large relative to the sun [syn: red giant]
Usage examples of "red giant star".
On the viewscreen before him was Havarrnus, a black, shriveled world blasted by the light of a red giant star.
In the really long run, the Sun-on its way to becoming a red giant star-will get bigger and brighter, the Earth will begin to lose its air and water to space, the soil will char, the oceans will evaporate and boil, the rocks will vaporize, and our planet may even be swallowed up into the interior of the Sun.
The Sun will become a red giant star, its visible surface so far from its interior that the gravity at its surface grows feeble, its atmosphere expanding into space in a kind of stellar gale.