red giant(redirected from Giant (star))
Also found in: Thesaurus, Encyclopedia.
A low-mass star of great size and luminosity that has a relatively low surface temperature, giving it a reddish or orange hue.
(Celestial Objects) a giant star towards the end of its life, with a relatively low temperature of 2000–4000 K, that emits red light
a star in an intermediate stage of evolution, characterized by a large volume, low surface temperature, and reddish hue.
A star 10–100 times the Sun’s size.