Share this entry

Share this page

red dwarf

Syllabification: red dwarf

Definition of red dwarf in English:

noun

Astronomy
A small, old, relatively cool star.
Example sentences
  • Despite the fact that red dwarfs are relatively cool, the small orbit means that temperatures on this world are extra toasty - several hundred degrees Celsius.
  • This list is being added to as astronomers discover new red dwarfs and other small stars - which are still many times bigger than Jupiter and may possess planets.
  • The newfound planet's host star is a red dwarf with about one-fifth the mass of our sun.

Definition of red dwarf in:

Share this entry

Share this page

 

What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.

Get more from Oxford Dictionaries

Subscribe to remove ads and access premium resources

Word of the day orthoepy
Pronunciation: ôrˈTHōəpē
noun
the correct or accepted pronunciation of words