m-
  • (written as M)
    1 048 576, equal to 220
  • (written as M)
    M type stars are the coolest of all, with surface temperatures of less than 3500°. Such stars are cool enough to allow some molecules – rather than just isolated atoms – to exist in their outer layers. M stars tend to be orange in colour and Betelgeuse in Orion is the classic member of the class.
  • (written as M)
    Prefix for object designations in the Messier Catalogue
  • A prefix which serves to produce derivative words pertaining to mobile communications concepts. For instance, m-business, or m-mail. It is an abbreviation of mobile.

Not what you were looking for?