Definition of white dwarf
: a small hot whitish star of low intrinsic brightness usually with a mass approximately equal to that of the sun but with a density many times larger
First Known Use of white dwarf
WHITE DWARF Defined for English Language Learners
Definition of white dwarf for English Language Learners
astronomy : a star that is at the end of its life and is very hot, small, and dense
Seen and Heard
What made you want to look up white dwarf? Please tell us where you read or heard it (including the quote, if possible).