stationary state 

https://doi.org/10.1351/goldbook.S05953
  1. (in quantum mechanics) A state that does not evolve with time.
  2. (in kinetics)
    See: steady state
Source:
PAC, 1994, 66, 1077. (Glossary of terms used in physical organic chemistry (IUPAC Recommendations 1994)) on page 1166 [Terms] [Paper]
Citation: 'stationary state' in IUPAC Compendium of Chemical Terminology, 5th ed. International Union of Pure and Applied Chemistry; 2025. Online version 5.0.0, 2025. https://doi.org/10.1351/goldbook.S05953 RIS BibTex EndNote
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Last revised: February 24, 2014