Meaning of white dwarf

white' dwarf'

Pronunciation: [key]
— Astron. Astron.
  1. a star, approximately the size of the earth, that has undergone gravitational collapse and is in the final stage of evolution for low-mass stars, beginning hot and white and ending cold and darkCf.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.