An unvarying condition in a physical process, especially as in the theory that the universe is eternal and maintained by constant creation of matter.
More example sentences
- Earth science teachers could show why the steady-state theory of the universe lost out to the Big Bang
- The result for Milne's cosmology was a stationary universe with an infinite past age which, of course, acted as a precursor to the steady-state theory.
Definition of steady state in:
- The US English dictionary