Definition of red dwarf in English:

red dwarf

Syllabification: red dwarf


  • A small, old, relatively cool star.
    More 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.

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Word of the day astrogation
Pronunciation: ˌastrəˈgāSHən
(in science fiction) navigation in outer space