Advertisement

Advertisement

M star

noun

, Astronomy.
  1. a relatively cool, red star, as Antares or Betelgeuse, having a surface temperature of less than 3600 K and an absorption spectrum dominated by molecular bands, especially titanium oxide.


Advertisement

Word of the Day

firkin

[fur-kin ]

Meaning and examples

Start each day with the Word of the Day in your inbox!

By clicking "Sign Up", you are accepting Dictionary.com Terms & Conditions and Privacy Policies.

Advertisement

Advertisement

Advertisement


MSTMs-Th