Skip to definition.
Get the FREE one-click dictionary software for Windows or the iPhone/iPad and Android apps


Noun: steady state theory
  1. (cosmology) the theory that the universe maintains a constant average density with matter created to fill the void left by galaxies that are receding from each other
    "the steady state theory has been abandoned in favour of the big bang theory";
    - continuous creation theory

Type of: scientific theory

Encyclopedia: Steady state theory