Simple Definition of white dwarf

from our Learner's Dictionary

white dwarf

noun

plural white dwarfs
astronomy : a star that is at the end of its life and is very hot, small, and dense

Cite this Entry

“White dwarf.” Merriam-Webster.com Simple Definition, Merriam-Webster, https://www.merriam-webster.com/simple/white%20dwarf. Accessed 14 Apr. 2026.

More from Merriam-Webster on white dwarf

More from Merriam-Webster