white dwarf star
Also found in: Dictionary, Thesaurus, Wikipedia.
Related to white dwarf star: red dwarf star
white dwarf star[′wīt ¦dwȯrf ′stär]
An intrinsically faint star of very small radius and high density; the mass is about 0.6 that of the sun and the average radius is about 5000 miles (8000 kilometers); it is one final stage of stellar evolution with thermonuclear energy sources extinct.