Microstatenoun
A country that has a very small population and land area
Microstatenoun
(physics) The specific detailed microscopic configuration of a system.
Microstate
A microstate or ministate is a sovereign state having a very small population or very small land area, usually both. However, the meanings of and are not well-defined in international law.
Macrostatenoun
(physics) A group of macroscopic properties of a physical system, such as its temperature and pressure.