+A **microstate** is a specific, detailed configuration of a [physical system](/wiki/physical_system) at a given instant. It precisely describes the exact positions and momenta of all constituent particles, representing one of many possible arrangements for a given [macrostate](/wiki/macrostate).
+## See also
+- [Macrostate](/wiki/macrostate)
+- [Statistical Mechanics](/wiki/statistical_mechanics)
+- [Entropy](/wiki/entropy)